./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:45:13,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:45:13,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:45:13,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:45:13,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:45:13,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:45:13,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:45:13,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:45:13,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:45:13,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:45:13,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:45:13,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:45:13,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:45:13,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:45:13,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:45:13,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:45:13,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:45:13,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:45:13,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:45:13,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:45:13,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:45:13,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:45:13,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:45:13,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:45:13,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:45:13,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:45:13,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:45:13,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:45:13,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:45:13,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:45:13,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:45:13,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:45:13,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:45:13,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:45:13,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:45:13,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:45:13,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:45:13,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:45:13,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:45:13,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:45:13,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:45:13,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 22:45:13,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:45:13,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:45:13,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:45:13,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:45:13,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:45:13,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:45:13,658 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:45:13,658 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:45:13,659 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:45:13,659 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 22:45:13,659 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:45:13,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:45:13,659 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 22:45:13,660 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 22:45:13,660 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:45:13,660 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 22:45:13,660 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 22:45:13,661 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 22:45:13,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:45:13,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 22:45:13,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 22:45:13,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 22:45:13,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:45:13,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 22:45:13,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:45:13,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 22:45:13,663 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 22:45:13,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 22:45:13,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:45:13,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 22:45:13,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:45:13,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:45:13,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:45:13,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:45:13,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:45:13,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 22:45:13,664 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 22:45:13,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 22:45:13,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 22:45:13,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:45:13,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:45:13,665 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce [2021-11-20 22:45:13,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:45:13,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:45:14,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:45:14,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:45:14,004 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:45:14,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2021-11-20 22:45:14,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/data/899fa6734/67bc5c3830b84309aeed50a97f1957d1/FLAG1df92321b [2021-11-20 22:45:14,602 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:45:14,603 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2021-11-20 22:45:14,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/data/899fa6734/67bc5c3830b84309aeed50a97f1957d1/FLAG1df92321b [2021-11-20 22:45:14,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/data/899fa6734/67bc5c3830b84309aeed50a97f1957d1 [2021-11-20 22:45:14,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:45:14,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:45:14,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:45:14,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:45:14,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:45:14,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:14" (1/1) ... [2021-11-20 22:45:14,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70522b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:14, skipping insertion in model container [2021-11-20 22:45:14,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:14" (1/1) ... [2021-11-20 22:45:14,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:45:15,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:45:15,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[1995,2008] [2021-11-20 22:45:15,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[2389,2402] [2021-11-20 22:45:15,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:45:15,358 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 22:45:15,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[1995,2008] [2021-11-20 22:45:15,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[2389,2402] [2021-11-20 22:45:15,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:45:15,416 INFO L208 MainTranslator]: Completed translation [2021-11-20 22:45:15,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15 WrapperNode [2021-11-20 22:45:15,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:45:15,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 22:45:15,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 22:45:15,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 22:45:15,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15" (1/1) ... [2021-11-20 22:45:15,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15" (1/1) ... [2021-11-20 22:45:15,486 INFO L137 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2021-11-20 22:45:15,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 22:45:15,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 22:45:15,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 22:45:15,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 22:45:15,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15" (1/1) ... [2021-11-20 22:45:15,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15" (1/1) ... [2021-11-20 22:45:15,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15" (1/1) ... [2021-11-20 22:45:15,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15" (1/1) ... [2021-11-20 22:45:15,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15" (1/1) ... [2021-11-20 22:45:15,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15" (1/1) ... [2021-11-20 22:45:15,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15" (1/1) ... [2021-11-20 22:45:15,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 22:45:15,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 22:45:15,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 22:45:15,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 22:45:15,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15" (1/1) ... [2021-11-20 22:45:15,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:45:15,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:45:15,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 22:45:15,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 22:45:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 22:45:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-20 22:45:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-20 22:45:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 22:45:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 22:45:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 22:45:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 22:45:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 22:45:15,702 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 22:45:15,704 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 22:45:16,082 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 22:45:16,259 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 22:45:16,266 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 22:45:16,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:16 BoogieIcfgContainer [2021-11-20 22:45:16,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 22:45:16,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 22:45:16,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 22:45:16,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 22:45:16,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:45:14" (1/3) ... [2021-11-20 22:45:16,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600cfa1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:45:16, skipping insertion in model container [2021-11-20 22:45:16,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:15" (2/3) ... [2021-11-20 22:45:16,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600cfa1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:45:16, skipping insertion in model container [2021-11-20 22:45:16,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:16" (3/3) ... [2021-11-20 22:45:16,279 INFO L111 eAbstractionObserver]: Analyzing ICFG square_8+soft_float_1-2a.c.cil.c [2021-11-20 22:45:16,284 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 22:45:16,284 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 22:45:16,337 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 22:45:16,342 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 22:45:16,343 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 22:45:16,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 42 states have internal predecessors, (59), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 22:45:16,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-20 22:45:16,375 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:45:16,376 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-20 22:45:16,377 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:45:16,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:45:16,384 INFO L85 PathProgramCache]: Analyzing trace with hash 9849864, now seen corresponding path program 1 times [2021-11-20 22:45:16,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:45:16,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539447805] [2021-11-20 22:45:16,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:16,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:45:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 22:45:16,508 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 22:45:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 22:45:16,551 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 22:45:16,554 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 22:45:16,556 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-20 22:45:16,558 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-20 22:45:16,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 22:45:16,563 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-20 22:45:16,565 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 22:45:16,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:45:16 BoogieIcfgContainer [2021-11-20 22:45:16,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 22:45:16,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 22:45:16,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 22:45:16,591 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 22:45:16,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:16" (3/4) ... [2021-11-20 22:45:16,595 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 22:45:16,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 22:45:16,597 INFO L158 Benchmark]: Toolchain (without parser) took 1647.72ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 86.0MB in the beginning and 111.5MB in the end (delta: -25.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-11-20 22:45:16,598 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 22:45:16,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.86ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 85.6MB in the end (delta: 258.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 22:45:16,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.98ms. Allocated memory is still 117.4MB. Free memory was 85.6MB in the beginning and 83.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 22:45:16,605 INFO L158 Benchmark]: Boogie Preprocessor took 65.63ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 22:45:16,606 INFO L158 Benchmark]: RCFGBuilder took 713.22ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 59.8MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-20 22:45:16,607 INFO L158 Benchmark]: TraceAbstraction took 316.80ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 59.3MB in the beginning and 111.5MB in the end (delta: -52.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 22:45:16,607 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 146.8MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 22:45:16,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.86ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 85.6MB in the end (delta: 258.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.98ms. Allocated memory is still 117.4MB. Free memory was 85.6MB in the beginning and 83.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.63ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 713.22ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 59.8MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 316.80ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 59.3MB in the beginning and 111.5MB in the end (delta: -52.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 146.8MB. Free memory is still 111.5MB. There was no memory consumed. 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 - UnprovableResult [Line: 48]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L403] COND TRUE __VERIFIER_nondet_int() [L404] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=49, x=49] [L47] COND TRUE !(result >= 0.0f && result < 1.5f) VAL [IN=49, x=49] [L48] reach_error() VAL [IN=49, x=49] - UnprovableResult [Line: 61]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 51 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 22:45:16,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:45:19,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:45:19,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:45:19,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:45:19,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:45:19,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:45:19,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:45:19,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:45:19,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:45:19,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:45:19,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:45:19,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:45:19,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:45:19,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:45:19,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:45:19,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:45:19,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:45:19,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:45:19,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:45:19,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:45:19,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:45:19,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:45:19,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:45:19,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:45:19,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:45:19,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:45:19,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:45:19,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:45:19,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:45:19,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:45:19,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:45:19,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:45:19,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:45:19,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:45:19,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:45:19,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:45:19,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:45:19,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:45:19,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:45:19,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:45:19,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:45:19,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 22:45:19,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:45:19,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:45:19,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:45:19,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:45:19,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:45:19,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:45:19,296 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:45:19,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:45:19,296 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:45:19,297 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:45:19,298 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:45:19,298 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:45:19,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:45:19,299 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 22:45:19,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 22:45:19,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:45:19,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 22:45:19,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:45:19,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 22:45:19,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 22:45:19,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 22:45:19,301 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 22:45:19,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 22:45:19,301 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:45:19,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 22:45:19,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:45:19,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 22:45:19,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:45:19,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:45:19,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:45:19,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:45:19,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 22:45:19,304 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 22:45:19,304 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 22:45:19,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 22:45:19,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:45:19,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:45:19,305 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be176f230c0ddf2a166ae209d5d0fb467abe0ece694096a2cf73b073fb0117ce [2021-11-20 22:45:19,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:45:19,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:45:19,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:45:19,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:45:19,742 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:45:19,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2021-11-20 22:45:19,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/data/945f8f0a5/1a77f5a1afbc4a69a9476d1d56674ea3/FLAG97710a561 [2021-11-20 22:45:20,388 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:45:20,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c [2021-11-20 22:45:20,404 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/data/945f8f0a5/1a77f5a1afbc4a69a9476d1d56674ea3/FLAG97710a561 [2021-11-20 22:45:20,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/data/945f8f0a5/1a77f5a1afbc4a69a9476d1d56674ea3 [2021-11-20 22:45:20,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:45:20,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:45:20,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:45:20,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:45:20,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:45:20,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:20" (1/1) ... [2021-11-20 22:45:20,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c593593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:20, skipping insertion in model container [2021-11-20 22:45:20,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:20" (1/1) ... [2021-11-20 22:45:20,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:45:20,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:45:20,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[1995,2008] [2021-11-20 22:45:20,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[2389,2402] [2021-11-20 22:45:21,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:45:21,102 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 22:45:21,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[1995,2008] [2021-11-20 22:45:21,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/sv-benchmarks/c/combinations/square_8+soft_float_1-2a.c.cil.c[2389,2402] [2021-11-20 22:45:21,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:45:21,221 INFO L208 MainTranslator]: Completed translation [2021-11-20 22:45:21,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21 WrapperNode [2021-11-20 22:45:21,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:45:21,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 22:45:21,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 22:45:21,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 22:45:21,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21" (1/1) ... [2021-11-20 22:45:21,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21" (1/1) ... [2021-11-20 22:45:21,304 INFO L137 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 165 [2021-11-20 22:45:21,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 22:45:21,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 22:45:21,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 22:45:21,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 22:45:21,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21" (1/1) ... [2021-11-20 22:45:21,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21" (1/1) ... [2021-11-20 22:45:21,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21" (1/1) ... [2021-11-20 22:45:21,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21" (1/1) ... [2021-11-20 22:45:21,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21" (1/1) ... [2021-11-20 22:45:21,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21" (1/1) ... [2021-11-20 22:45:21,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21" (1/1) ... [2021-11-20 22:45:21,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 22:45:21,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 22:45:21,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 22:45:21,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 22:45:21,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21" (1/1) ... [2021-11-20 22:45:21,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:45:21,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:45:21,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 22:45:21,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 22:45:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 22:45:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 22:45:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-20 22:45:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-20 22:45:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 22:45:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 22:45:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 22:45:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 22:45:21,598 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 22:45:21,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 22:45:24,194 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 22:45:24,207 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 22:45:24,208 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 22:45:24,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:24 BoogieIcfgContainer [2021-11-20 22:45:24,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 22:45:24,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 22:45:24,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 22:45:24,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 22:45:24,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:45:20" (1/3) ... [2021-11-20 22:45:24,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468c6d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:45:24, skipping insertion in model container [2021-11-20 22:45:24,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:21" (2/3) ... [2021-11-20 22:45:24,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468c6d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:45:24, skipping insertion in model container [2021-11-20 22:45:24,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:24" (3/3) ... [2021-11-20 22:45:24,218 INFO L111 eAbstractionObserver]: Analyzing ICFG square_8+soft_float_1-2a.c.cil.c [2021-11-20 22:45:24,223 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 22:45:24,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 22:45:24,273 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 22:45:24,281 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 22:45:24,281 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 22:45:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 68 states have (on average 1.588235294117647) internal successors, (108), 72 states have internal predecessors, (108), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 22:45:24,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 22:45:24,303 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:45:24,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:45:24,305 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:45:24,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:45:24,310 INFO L85 PathProgramCache]: Analyzing trace with hash -548115930, now seen corresponding path program 1 times [2021-11-20 22:45:24,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:45:24,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533008871] [2021-11-20 22:45:24,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:24,323 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:45:24,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:45:24,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:45:24,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 22:45:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:45:24,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 22:45:24,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:45:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:45:24,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:45:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:45:24,906 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:45:24,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533008871] [2021-11-20 22:45:24,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533008871] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:45:24,929 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:45:24,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 22:45:24,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684179543] [2021-11-20 22:45:24,932 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:45:24,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 22:45:24,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:45:24,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 22:45:24,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 22:45:24,988 INFO L87 Difference]: Start difference. First operand has 81 states, 68 states have (on average 1.588235294117647) internal successors, (108), 72 states have internal predecessors, (108), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-20 22:45:25,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:45:25,021 INFO L93 Difference]: Finished difference Result 157 states and 248 transitions. [2021-11-20 22:45:25,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 22:45:25,023 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) Word has length 7 [2021-11-20 22:45:25,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:45:25,032 INFO L225 Difference]: With dead ends: 157 [2021-11-20 22:45:25,032 INFO L226 Difference]: Without dead ends: 74 [2021-11-20 22:45:25,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 22:45:25,040 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:45:25,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 22:45:25,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-20 22:45:25,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-11-20 22:45:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 62 states have (on average 1.4838709677419355) internal successors, (92), 65 states have internal predecessors, (92), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-20 22:45:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 107 transitions. [2021-11-20 22:45:25,087 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 107 transitions. Word has length 7 [2021-11-20 22:45:25,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:45:25,088 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 107 transitions. [2021-11-20 22:45:25,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-20 22:45:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2021-11-20 22:45:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 22:45:25,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:45:25,089 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:45:25,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 22:45:25,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:45:25,310 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:45:25,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:45:25,311 INFO L85 PathProgramCache]: Analyzing trace with hash -548056348, now seen corresponding path program 1 times [2021-11-20 22:45:25,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:45:25,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156913550] [2021-11-20 22:45:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:25,313 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:45:25,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:45:25,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:45:25,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 22:45:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:45:39,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 22:45:39,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:45:54,583 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main1_~IN~0#1| (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (and (fp.geq |ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (fp.lt |ULTIMATE.start_main1_~IN~0#1| .cse0) (= |c_ULTIMATE.start_main1_~result~0#1| (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 22:46:44,778 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main1_~IN~0#1| (_ FloatingPoint 8 24))) (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (and (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 8.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 16.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 5.0 128.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)))) (or (not (fp.lt .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)))) (not (fp.geq .cse0 (_ +zero 8 24))))) (fp.geq |ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (fp.lt |ULTIMATE.start_main1_~IN~0#1| .cse1)))) is different from false [2021-11-20 22:46:46,839 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main1_~IN~0#1| (_ FloatingPoint 8 24))) (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (and (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 8.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 16.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 5.0 128.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)))) (or (not (fp.lt .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)))) (not (fp.geq .cse0 (_ +zero 8 24))))) (fp.geq |ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (fp.lt |ULTIMATE.start_main1_~IN~0#1| .cse1)))) is different from true [2021-11-20 22:46:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:46:46,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:46:57,510 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.geq .cse0 (_ +zero 8 24)) (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))))) is different from false [2021-11-20 22:46:59,576 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.geq .cse0 (_ +zero 8 24)) (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))))) is different from true [2021-11-20 22:47:14,403 WARN L838 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.geq .cse0 (_ +zero 8 24)) (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))))) is different from false [2021-11-20 22:47:16,475 WARN L860 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.geq .cse0 (_ +zero 8 24)) (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))))) is different from true [2021-11-20 22:48:00,873 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main1_~IN~0#1_4| (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (or (not (fp.lt |v_ULTIMATE.start_main1_~IN~0#1_4| .cse0)) (not (fp.geq |v_ULTIMATE.start_main1_~IN~0#1_4| (_ +zero 8 24))) (let ((.cse1 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)))) (and (fp.lt .cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))) (fp.geq .cse1 (_ +zero 8 24))))))) is different from false [2021-11-20 22:48:02,947 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main1_~IN~0#1_4| (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (or (not (fp.lt |v_ULTIMATE.start_main1_~IN~0#1_4| .cse0)) (not (fp.geq |v_ULTIMATE.start_main1_~IN~0#1_4| (_ +zero 8 24))) (let ((.cse1 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)))) (and (fp.lt .cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))) (fp.geq .cse1 (_ +zero 8 24))))))) is different from true [2021-11-20 22:48:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:48:45,140 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:48:45,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156913550] [2021-11-20 22:48:45,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156913550] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:48:45,141 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:48:45,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2021-11-20 22:48:45,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045005574] [2021-11-20 22:48:45,141 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:48:45,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 22:48:45,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:48:45,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 22:48:45,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=20, Unknown=9, NotChecked=60, Total=110 [2021-11-20 22:48:45,144 INFO L87 Difference]: Start difference. First operand 74 states and 107 transitions. Second operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-20 22:48:47,218 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main1_~IN~0#1_4| (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (or (not (fp.lt |v_ULTIMATE.start_main1_~IN~0#1_4| .cse0)) (not (fp.geq |v_ULTIMATE.start_main1_~IN~0#1_4| (_ +zero 8 24))) (let ((.cse1 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)))) (and (fp.lt .cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))) (fp.geq .cse1 (_ +zero 8 24))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 22:48:49,287 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main1_~IN~0#1_4| (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (or (not (fp.lt |v_ULTIMATE.start_main1_~IN~0#1_4| .cse0)) (not (fp.geq |v_ULTIMATE.start_main1_~IN~0#1_4| (_ +zero 8 24))) (let ((.cse1 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)))) (and (fp.lt .cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))) (fp.geq .cse1 (_ +zero 8 24))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-20 22:48:51,359 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32))) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (and (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse0 (fp.geq |c_ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24))) (.cse1 (fp.lt |c_ULTIMATE.start_main1_~IN~0#1| .cse3))) (or (and .cse0 .cse1 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv1 32))) (and .cse2 (or (not .cse0) (not .cse1))))) (or .cse2 (let ((.cse4 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse3 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.geq .cse4 (_ +zero 8 24)) (fp.lt .cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))))))) is different from false [2021-11-20 22:48:53,436 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32))) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (and (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse0 (fp.geq |c_ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24))) (.cse1 (fp.lt |c_ULTIMATE.start_main1_~IN~0#1| .cse3))) (or (and .cse0 .cse1 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv1 32))) (and .cse2 (or (not .cse0) (not .cse1))))) (or .cse2 (let ((.cse4 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse3 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.geq .cse4 (_ +zero 8 24)) (fp.lt .cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))))))) is different from true [2021-11-20 22:48:55,507 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.geq .cse0 (_ +zero 8 24)) (fp.geq |c_ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (fp.lt |c_ULTIMATE.start_main1_~IN~0#1| .cse1) (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2021-11-20 22:48:57,587 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.geq .cse0 (_ +zero 8 24)) (fp.geq |c_ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (fp.lt |c_ULTIMATE.start_main1_~IN~0#1| .cse1) (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2021-11-20 22:48:59,666 WARN L838 $PredicateComparison]: unable to prove that (and (fp.geq |c_ULTIMATE.start_main1_~result~0#1| (_ +zero 8 24)) (exists ((|ULTIMATE.start_main1_~IN~0#1| (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (and (fp.geq |ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (fp.lt |ULTIMATE.start_main1_~IN~0#1| .cse0) (= |c_ULTIMATE.start_main1_~result~0#1| (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)))))) (fp.lt |c_ULTIMATE.start_main1_~result~0#1| ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 22:48:59,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:48:59,705 INFO L93 Difference]: Finished difference Result 74 states and 107 transitions. [2021-11-20 22:48:59,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:48:59,705 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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) Word has length 7 [2021-11-20 22:48:59,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:48:59,707 INFO L225 Difference]: With dead ends: 74 [2021-11-20 22:48:59,707 INFO L226 Difference]: Without dead ends: 69 [2021-11-20 22:48:59,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 33.4s TimeCoverageRelationStatistics Valid=29, Invalid=21, Unknown=16, NotChecked=144, Total=210 [2021-11-20 22:48:59,710 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 405 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:48:59,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 397 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 405 Unchecked, 0.0s Time] [2021-11-20 22:48:59,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-20 22:48:59,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-20 22:48:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 58 states have (on average 1.5) internal successors, (87), 60 states have internal predecessors, (87), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-20 22:48:59,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2021-11-20 22:48:59,723 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 7 [2021-11-20 22:48:59,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:48:59,724 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2021-11-20 22:48:59,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-20 22:48:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2021-11-20 22:48:59,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-20 22:48:59,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:48:59,728 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:48:59,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 22:48:59,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:48:59,929 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:48:59,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:48:59,930 INFO L85 PathProgramCache]: Analyzing trace with hash -567365317, now seen corresponding path program 1 times [2021-11-20 22:48:59,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:48:59,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880591836] [2021-11-20 22:48:59,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:48:59,932 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:48:59,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:48:59,935 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:48:59,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 22:49:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:00,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 22:49:00,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:49:00,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:00,612 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:49:00,613 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:00,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880591836] [2021-11-20 22:49:00,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [880591836] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:49:00,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1125966690] [2021-11-20 22:49:00,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:00,614 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 22:49:00,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 22:49:00,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 22:49:00,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-20 22:49:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:00,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 22:49:00,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:49:01,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:49:01,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1125966690] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:49:01,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792302171] [2021-11-20 22:49:01,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:01,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:49:01,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:49:01,473 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:49:01,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 22:49:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:01,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 22:49:01,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:01,721 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:49:01,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:49:02,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792302171] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:49:02,012 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-20 22:49:02,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8, 8, 8, 8] total 10 [2021-11-20 22:49:02,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716316315] [2021-11-20 22:49:02,013 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-20 22:49:02,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 22:49:02,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:02,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 22:49:02,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-20 22:49:02,015 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand has 10 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 22:49:04,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:04,318 INFO L93 Difference]: Finished difference Result 325 states and 520 transitions. [2021-11-20 22:49:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 22:49:04,319 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 33 [2021-11-20 22:49:04,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:04,325 INFO L225 Difference]: With dead ends: 325 [2021-11-20 22:49:04,326 INFO L226 Difference]: Without dead ends: 280 [2021-11-20 22:49:04,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2021-11-20 22:49:04,329 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 292 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:04,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 1405 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-20 22:49:04,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-11-20 22:49:04,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 113. [2021-11-20 22:49:04,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 96 states have internal predecessors, (135), 14 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (20), 16 states have call predecessors, (20), 13 states have call successors, (20) [2021-11-20 22:49:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 169 transitions. [2021-11-20 22:49:04,360 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 169 transitions. Word has length 33 [2021-11-20 22:49:04,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:04,360 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 169 transitions. [2021-11-20 22:49:04,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 22:49:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 169 transitions. [2021-11-20 22:49:04,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 22:49:04,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:04,364 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-20 22:49:04,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:04,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:04,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:04,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:04,966 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:04,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:04,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1860757616, now seen corresponding path program 1 times [2021-11-20 22:49:04,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:04,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057498383] [2021-11-20 22:49:04,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:04,968 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:04,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:04,973 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:04,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 22:49:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:05,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 22:49:05,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:49:05,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:49:05,665 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:05,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057498383] [2021-11-20 22:49:05,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057498383] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:05,665 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:05,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-20 22:49:05,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10983812] [2021-11-20 22:49:05,666 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:05,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 22:49:05,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:05,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 22:49:05,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 22:49:05,668 INFO L87 Difference]: Start difference. First operand 113 states and 169 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:06,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:06,030 INFO L93 Difference]: Finished difference Result 249 states and 374 transitions. [2021-11-20 22:49:06,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:49:06,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2021-11-20 22:49:06,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:06,034 INFO L225 Difference]: With dead ends: 249 [2021-11-20 22:49:06,034 INFO L226 Difference]: Without dead ends: 188 [2021-11-20 22:49:06,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 22:49:06,037 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 53 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:06,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 456 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 22:49:06,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-11-20 22:49:06,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2021-11-20 22:49:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 160 states have (on average 1.4125) internal successors, (226), 159 states have internal predecessors, (226), 20 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (26), 26 states have call predecessors, (26), 19 states have call successors, (26) [2021-11-20 22:49:06,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 272 transitions. [2021-11-20 22:49:06,061 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 272 transitions. Word has length 41 [2021-11-20 22:49:06,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:06,062 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 272 transitions. [2021-11-20 22:49:06,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 272 transitions. [2021-11-20 22:49:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 22:49:06,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:06,065 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-20 22:49:06,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:06,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:06,274 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:06,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:06,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1180699246, now seen corresponding path program 1 times [2021-11-20 22:49:06,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:06,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953598418] [2021-11-20 22:49:06,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:06,275 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:06,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:06,275 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:06,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 22:49:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:06,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 22:49:06,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:49:06,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:49:07,033 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:07,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953598418] [2021-11-20 22:49:07,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953598418] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:07,033 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:07,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-20 22:49:07,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177294488] [2021-11-20 22:49:07,034 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:07,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 22:49:07,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:07,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 22:49:07,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 22:49:07,035 INFO L87 Difference]: Start difference. First operand 184 states and 272 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:07,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:07,528 INFO L93 Difference]: Finished difference Result 257 states and 382 transitions. [2021-11-20 22:49:07,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 22:49:07,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2021-11-20 22:49:07,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:07,532 INFO L225 Difference]: With dead ends: 257 [2021-11-20 22:49:07,532 INFO L226 Difference]: Without dead ends: 202 [2021-11-20 22:49:07,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-20 22:49:07,534 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 105 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:07,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 542 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 22:49:07,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-20 22:49:07,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 175. [2021-11-20 22:49:07,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 153 states have (on average 1.392156862745098) internal successors, (213), 152 states have internal predecessors, (213), 18 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (24), 24 states have call predecessors, (24), 17 states have call successors, (24) [2021-11-20 22:49:07,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 255 transitions. [2021-11-20 22:49:07,555 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 255 transitions. Word has length 41 [2021-11-20 22:49:07,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:07,556 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 255 transitions. [2021-11-20 22:49:07,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:07,556 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 255 transitions. [2021-11-20 22:49:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-20 22:49:07,560 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:07,560 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:07,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:07,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:07,773 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:07,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:07,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1938435092, now seen corresponding path program 1 times [2021-11-20 22:49:07,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:07,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398380591] [2021-11-20 22:49:07,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:07,774 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:07,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:07,775 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:07,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 22:49:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:07,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:49:07,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:08,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:08,311 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:08,311 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:08,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398380591] [2021-11-20 22:49:08,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [398380591] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:08,312 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:08,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-20 22:49:08,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675229236] [2021-11-20 22:49:08,312 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:08,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 22:49:08,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:08,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 22:49:08,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 22:49:08,313 INFO L87 Difference]: Start difference. First operand 175 states and 255 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:08,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:08,508 INFO L93 Difference]: Finished difference Result 349 states and 515 transitions. [2021-11-20 22:49:08,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:49:08,509 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2021-11-20 22:49:08,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:08,512 INFO L225 Difference]: With dead ends: 349 [2021-11-20 22:49:08,512 INFO L226 Difference]: Without dead ends: 283 [2021-11-20 22:49:08,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 22:49:08,514 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 99 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:08,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 522 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 22:49:08,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-11-20 22:49:08,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 233. [2021-11-20 22:49:08,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 211 states have (on average 1.3270142180094786) internal successors, (280), 208 states have internal predecessors, (280), 18 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (24), 24 states have call predecessors, (24), 17 states have call successors, (24) [2021-11-20 22:49:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 322 transitions. [2021-11-20 22:49:08,537 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 322 transitions. Word has length 44 [2021-11-20 22:49:08,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:08,538 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 322 transitions. [2021-11-20 22:49:08,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 322 transitions. [2021-11-20 22:49:08,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-20 22:49:08,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:08,542 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:08,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:08,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:08,766 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:08,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:08,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1643290396, now seen corresponding path program 1 times [2021-11-20 22:49:08,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:08,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196590060] [2021-11-20 22:49:08,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:08,767 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:08,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:08,768 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:08,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-20 22:49:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:08,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 22:49:08,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:49:09,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:10,218 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:10,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196590060] [2021-11-20 22:49:10,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196590060] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 22:49:10,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 22:49:10,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2021-11-20 22:49:10,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513242043] [2021-11-20 22:49:10,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:10,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 22:49:10,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:10,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 22:49:10,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-20 22:49:10,220 INFO L87 Difference]: Start difference. First operand 233 states and 322 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:11,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:11,643 INFO L93 Difference]: Finished difference Result 405 states and 582 transitions. [2021-11-20 22:49:11,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 22:49:11,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2021-11-20 22:49:11,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:11,653 INFO L225 Difference]: With dead ends: 405 [2021-11-20 22:49:11,654 INFO L226 Difference]: Without dead ends: 369 [2021-11-20 22:49:11,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-11-20 22:49:11,656 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 194 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:11,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 545 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 22:49:11,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-11-20 22:49:11,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 286. [2021-11-20 22:49:11,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 259 states have (on average 1.3127413127413128) internal successors, (340), 257 states have internal predecessors, (340), 23 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (29), 29 states have call predecessors, (29), 22 states have call successors, (29) [2021-11-20 22:49:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 392 transitions. [2021-11-20 22:49:11,713 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 392 transitions. Word has length 45 [2021-11-20 22:49:11,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:11,716 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 392 transitions. [2021-11-20 22:49:11,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 392 transitions. [2021-11-20 22:49:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-20 22:49:11,728 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:11,728 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:11,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:11,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:11,941 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:11,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:11,942 INFO L85 PathProgramCache]: Analyzing trace with hash -876669538, now seen corresponding path program 1 times [2021-11-20 22:49:11,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:11,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380863763] [2021-11-20 22:49:11,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:11,942 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:11,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:11,943 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:11,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-20 22:49:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:11,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 22:49:11,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:12,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:12,369 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:12,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380863763] [2021-11-20 22:49:12,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380863763] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:12,370 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:12,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 22:49:12,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80392743] [2021-11-20 22:49:12,370 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:12,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 22:49:12,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:12,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 22:49:12,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 22:49:12,371 INFO L87 Difference]: Start difference. First operand 286 states and 392 transitions. Second operand has 8 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:12,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:12,505 INFO L93 Difference]: Finished difference Result 293 states and 398 transitions. [2021-11-20 22:49:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:49:12,505 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2021-11-20 22:49:12,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:12,509 INFO L225 Difference]: With dead ends: 293 [2021-11-20 22:49:12,509 INFO L226 Difference]: Without dead ends: 286 [2021-11-20 22:49:12,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-20 22:49:12,510 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 11 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:12,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 487 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 22:49:12,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-11-20 22:49:12,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2021-11-20 22:49:12,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 259 states have (on average 1.3011583011583012) internal successors, (337), 257 states have internal predecessors, (337), 23 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (29), 29 states have call predecessors, (29), 22 states have call successors, (29) [2021-11-20 22:49:12,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 389 transitions. [2021-11-20 22:49:12,529 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 389 transitions. Word has length 45 [2021-11-20 22:49:12,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:12,529 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 389 transitions. [2021-11-20 22:49:12,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:12,530 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 389 transitions. [2021-11-20 22:49:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-20 22:49:12,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:12,532 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:12,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:12,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:12,745 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:12,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:12,745 INFO L85 PathProgramCache]: Analyzing trace with hash 457064955, now seen corresponding path program 2 times [2021-11-20 22:49:12,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:12,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538389653] [2021-11-20 22:49:12,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 22:49:12,746 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:12,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:12,747 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:12,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-20 22:49:12,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 22:49:12,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 22:49:12,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 22:49:12,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:13,210 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:13,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:13,597 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:13,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538389653] [2021-11-20 22:49:13,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1538389653] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:13,598 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:13,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 22:49:13,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064786303] [2021-11-20 22:49:13,598 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:13,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 22:49:13,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:13,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 22:49:13,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 22:49:13,600 INFO L87 Difference]: Start difference. First operand 286 states and 389 transitions. Second operand has 10 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:14,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:14,318 INFO L93 Difference]: Finished difference Result 443 states and 617 transitions. [2021-11-20 22:49:14,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 22:49:14,319 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2021-11-20 22:49:14,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:14,323 INFO L225 Difference]: With dead ends: 443 [2021-11-20 22:49:14,323 INFO L226 Difference]: Without dead ends: 441 [2021-11-20 22:49:14,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-20 22:49:14,324 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 126 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:14,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 1087 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 88 Invalid, 0 Unknown, 10 Unchecked, 0.5s Time] [2021-11-20 22:49:14,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-11-20 22:49:14,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 290. [2021-11-20 22:49:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 262 states have (on average 1.297709923664122) internal successors, (340), 260 states have internal predecessors, (340), 23 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (29), 29 states have call predecessors, (29), 22 states have call successors, (29) [2021-11-20 22:49:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 392 transitions. [2021-11-20 22:49:14,353 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 392 transitions. Word has length 45 [2021-11-20 22:49:14,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:14,354 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 392 transitions. [2021-11-20 22:49:14,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 392 transitions. [2021-11-20 22:49:14,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-20 22:49:14,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:14,359 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-20 22:49:14,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:14,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:14,587 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:14,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:14,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1895517033, now seen corresponding path program 1 times [2021-11-20 22:49:14,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:14,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701706844] [2021-11-20 22:49:14,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:14,588 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:14,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:14,589 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:14,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-20 22:49:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:14,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:49:14,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:14,814 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:14,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:15,021 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:15,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701706844] [2021-11-20 22:49:15,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701706844] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:15,022 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:15,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-20 22:49:15,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894235307] [2021-11-20 22:49:15,023 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:15,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 22:49:15,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:15,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 22:49:15,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 22:49:15,024 INFO L87 Difference]: Start difference. First operand 290 states and 392 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:15,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:15,225 INFO L93 Difference]: Finished difference Result 620 states and 841 transitions. [2021-11-20 22:49:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:49:15,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2021-11-20 22:49:15,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:15,231 INFO L225 Difference]: With dead ends: 620 [2021-11-20 22:49:15,231 INFO L226 Difference]: Without dead ends: 568 [2021-11-20 22:49:15,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 22:49:15,233 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 93 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:15,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 505 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 22:49:15,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2021-11-20 22:49:15,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 309. [2021-11-20 22:49:15,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 280 states have (on average 1.3) internal successors, (364), 277 states have internal predecessors, (364), 24 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (30), 30 states have call predecessors, (30), 23 states have call successors, (30) [2021-11-20 22:49:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 418 transitions. [2021-11-20 22:49:15,268 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 418 transitions. Word has length 46 [2021-11-20 22:49:15,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:15,268 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 418 transitions. [2021-11-20 22:49:15,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:15,269 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 418 transitions. [2021-11-20 22:49:15,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-20 22:49:15,271 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:15,271 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:15,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:15,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:15,484 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:15,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:15,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1657751029, now seen corresponding path program 1 times [2021-11-20 22:49:15,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:15,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281712424] [2021-11-20 22:49:15,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:15,486 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:15,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:15,487 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:15,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-20 22:49:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:15,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:49:15,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:15,728 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:15,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:15,864 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:15,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281712424] [2021-11-20 22:49:15,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281712424] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:15,864 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:15,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-20 22:49:15,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443233688] [2021-11-20 22:49:15,865 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:15,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:49:15,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:15,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:49:15,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:49:15,866 INFO L87 Difference]: Start difference. First operand 309 states and 418 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:15,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:15,963 INFO L93 Difference]: Finished difference Result 324 states and 434 transitions. [2021-11-20 22:49:15,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:49:15,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2021-11-20 22:49:15,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:15,967 INFO L225 Difference]: With dead ends: 324 [2021-11-20 22:49:15,967 INFO L226 Difference]: Without dead ends: 266 [2021-11-20 22:49:15,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:49:15,969 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 1 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:15,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 291 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 22:49:15,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-11-20 22:49:15,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-11-20 22:49:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 237 states have (on average 1.3122362869198312) internal successors, (311), 236 states have internal predecessors, (311), 24 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (28), 28 states have call predecessors, (28), 23 states have call successors, (28) [2021-11-20 22:49:15,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 363 transitions. [2021-11-20 22:49:15,997 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 363 transitions. Word has length 49 [2021-11-20 22:49:15,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:15,998 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 363 transitions. [2021-11-20 22:49:15,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 363 transitions. [2021-11-20 22:49:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-20 22:49:16,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:16,001 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:16,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:16,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:16,213 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:16,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:16,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1176937396, now seen corresponding path program 1 times [2021-11-20 22:49:16,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:16,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451302691] [2021-11-20 22:49:16,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:16,214 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:16,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:16,215 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:16,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-20 22:49:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:16,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 22:49:16,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:16,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:16,719 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:16,719 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:16,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451302691] [2021-11-20 22:49:16,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451302691] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:16,719 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:16,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-20 22:49:16,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259544788] [2021-11-20 22:49:16,720 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:16,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 22:49:16,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:16,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 22:49:16,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:49:16,721 INFO L87 Difference]: Start difference. First operand 266 states and 363 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:17,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:17,210 INFO L93 Difference]: Finished difference Result 418 states and 568 transitions. [2021-11-20 22:49:17,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 22:49:17,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2021-11-20 22:49:17,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:17,214 INFO L225 Difference]: With dead ends: 418 [2021-11-20 22:49:17,214 INFO L226 Difference]: Without dead ends: 376 [2021-11-20 22:49:17,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 22:49:17,217 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 149 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:17,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 527 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 22:49:17,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-20 22:49:17,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 266. [2021-11-20 22:49:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 237 states have (on average 1.3037974683544304) internal successors, (309), 236 states have internal predecessors, (309), 24 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (28), 28 states have call predecessors, (28), 23 states have call successors, (28) [2021-11-20 22:49:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 361 transitions. [2021-11-20 22:49:17,244 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 361 transitions. Word has length 50 [2021-11-20 22:49:17,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:17,245 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 361 transitions. [2021-11-20 22:49:17,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 361 transitions. [2021-11-20 22:49:17,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-20 22:49:17,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:17,247 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:17,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:17,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:17,457 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:17,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:17,458 INFO L85 PathProgramCache]: Analyzing trace with hash -475872818, now seen corresponding path program 1 times [2021-11-20 22:49:17,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:17,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149305960] [2021-11-20 22:49:17,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:17,459 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:17,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:17,460 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:17,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-20 22:49:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:17,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 22:49:17,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:17,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:17,833 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:17,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149305960] [2021-11-20 22:49:17,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [149305960] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:17,834 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:17,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-20 22:49:17,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918402659] [2021-11-20 22:49:17,834 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:17,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:49:17,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:17,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:49:17,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:49:17,836 INFO L87 Difference]: Start difference. First operand 266 states and 361 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:18,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:18,113 INFO L93 Difference]: Finished difference Result 434 states and 574 transitions. [2021-11-20 22:49:18,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 22:49:18,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2021-11-20 22:49:18,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:18,117 INFO L225 Difference]: With dead ends: 434 [2021-11-20 22:49:18,117 INFO L226 Difference]: Without dead ends: 400 [2021-11-20 22:49:18,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:49:18,119 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 86 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:18,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 332 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 22:49:18,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2021-11-20 22:49:18,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 274. [2021-11-20 22:49:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 245 states have (on average 1.2979591836734694) internal successors, (318), 244 states have internal predecessors, (318), 24 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (28), 28 states have call predecessors, (28), 23 states have call successors, (28) [2021-11-20 22:49:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 370 transitions. [2021-11-20 22:49:18,153 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 370 transitions. Word has length 50 [2021-11-20 22:49:18,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:18,154 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 370 transitions. [2021-11-20 22:49:18,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:18,154 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 370 transitions. [2021-11-20 22:49:18,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-20 22:49:18,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:18,156 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-20 22:49:18,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:18,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:18,369 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:18,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:18,369 INFO L85 PathProgramCache]: Analyzing trace with hash 33068664, now seen corresponding path program 1 times [2021-11-20 22:49:18,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:18,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344001819] [2021-11-20 22:49:18,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:18,370 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:18,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:18,372 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:18,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-20 22:49:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:18,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 22:49:18,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:18,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:19,318 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:19,318 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:19,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1344001819] [2021-11-20 22:49:19,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1344001819] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:19,319 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:19,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-20 22:49:19,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265227426] [2021-11-20 22:49:19,319 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:19,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 22:49:19,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:19,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 22:49:19,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-20 22:49:19,320 INFO L87 Difference]: Start difference. First operand 274 states and 370 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:23,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:23,567 INFO L93 Difference]: Finished difference Result 592 states and 818 transitions. [2021-11-20 22:49:23,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 22:49:23,568 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2021-11-20 22:49:23,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:23,572 INFO L225 Difference]: With dead ends: 592 [2021-11-20 22:49:23,572 INFO L226 Difference]: Without dead ends: 568 [2021-11-20 22:49:23,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=173, Invalid=583, Unknown=0, NotChecked=0, Total=756 [2021-11-20 22:49:23,574 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 616 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:23,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 895 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-20 22:49:23,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2021-11-20 22:49:23,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 333. [2021-11-20 22:49:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 296 states have (on average 1.2939189189189189) internal successors, (383), 297 states have internal predecessors, (383), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 36 states have call predecessors, (36), 31 states have call successors, (36) [2021-11-20 22:49:23,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 451 transitions. [2021-11-20 22:49:23,618 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 451 transitions. Word has length 51 [2021-11-20 22:49:23,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:23,619 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 451 transitions. [2021-11-20 22:49:23,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:23,619 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 451 transitions. [2021-11-20 22:49:23,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-20 22:49:23,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:23,622 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-20 22:49:23,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:23,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:23,835 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:23,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:23,835 INFO L85 PathProgramCache]: Analyzing trace with hash 2004133062, now seen corresponding path program 1 times [2021-11-20 22:49:23,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:23,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911763824] [2021-11-20 22:49:23,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:23,836 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:23,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:23,837 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:23,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-20 22:49:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:23,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:49:23,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:24,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:24,350 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:24,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911763824] [2021-11-20 22:49:24,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911763824] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:24,350 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:24,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-20 22:49:24,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818352383] [2021-11-20 22:49:24,350 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:24,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 22:49:24,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:24,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 22:49:24,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 22:49:24,352 INFO L87 Difference]: Start difference. First operand 333 states and 451 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:24,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:24,486 INFO L93 Difference]: Finished difference Result 399 states and 534 transitions. [2021-11-20 22:49:24,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:49:24,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2021-11-20 22:49:24,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:24,490 INFO L225 Difference]: With dead ends: 399 [2021-11-20 22:49:24,490 INFO L226 Difference]: Without dead ends: 362 [2021-11-20 22:49:24,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 22:49:24,491 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 129 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:24,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 384 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 22:49:24,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-11-20 22:49:24,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 337. [2021-11-20 22:49:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 300 states have (on average 1.2566666666666666) internal successors, (377), 301 states have internal predecessors, (377), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 36 states have call predecessors, (36), 31 states have call successors, (36) [2021-11-20 22:49:24,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 445 transitions. [2021-11-20 22:49:24,518 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 445 transitions. Word has length 51 [2021-11-20 22:49:24,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:24,518 INFO L470 AbstractCegarLoop]: Abstraction has 337 states and 445 transitions. [2021-11-20 22:49:24,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:24,519 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 445 transitions. [2021-11-20 22:49:24,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-20 22:49:24,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:24,520 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:24,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:24,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:24,729 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:24,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:24,730 INFO L85 PathProgramCache]: Analyzing trace with hash 2018317967, now seen corresponding path program 1 times [2021-11-20 22:49:24,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:24,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550862563] [2021-11-20 22:49:24,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:24,730 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:24,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:24,731 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:24,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-20 22:49:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:24,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:49:24,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:25,082 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 22:49:25,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-20 22:49:25,375 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:25,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550862563] [2021-11-20 22:49:25,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550862563] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 22:49:25,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 22:49:25,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-11-20 22:49:25,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316253356] [2021-11-20 22:49:25,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:25,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:49:25,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:25,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:49:25,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:49:25,378 INFO L87 Difference]: Start difference. First operand 337 states and 445 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 22:49:25,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:25,597 INFO L93 Difference]: Finished difference Result 560 states and 737 transitions. [2021-11-20 22:49:25,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 22:49:25,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2021-11-20 22:49:25,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:25,600 INFO L225 Difference]: With dead ends: 560 [2021-11-20 22:49:25,600 INFO L226 Difference]: Without dead ends: 227 [2021-11-20 22:49:25,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 22:49:25,602 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 25 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:25,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 241 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 22:49:25,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-20 22:49:25,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 215. [2021-11-20 22:49:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 186 states have (on average 1.2204301075268817) internal successors, (227), 191 states have internal predecessors, (227), 23 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (26), 24 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-20 22:49:25,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 276 transitions. [2021-11-20 22:49:25,621 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 276 transitions. Word has length 51 [2021-11-20 22:49:25,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:25,621 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 276 transitions. [2021-11-20 22:49:25,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 22:49:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 276 transitions. [2021-11-20 22:49:25,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-20 22:49:25,623 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:25,623 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-20 22:49:25,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:25,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:25,836 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:25,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:25,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1153296820, now seen corresponding path program 1 times [2021-11-20 22:49:25,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:25,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606910305] [2021-11-20 22:49:25,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:25,838 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:25,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:25,839 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:25,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-20 22:49:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:25,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:49:25,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:26,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:26,204 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:26,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606910305] [2021-11-20 22:49:26,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606910305] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:26,204 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:26,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-20 22:49:26,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508398458] [2021-11-20 22:49:26,205 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:26,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:49:26,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:26,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:49:26,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:49:26,206 INFO L87 Difference]: Start difference. First operand 215 states and 276 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:26,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:26,287 INFO L93 Difference]: Finished difference Result 224 states and 284 transitions. [2021-11-20 22:49:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:49:26,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2021-11-20 22:49:26,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:26,290 INFO L225 Difference]: With dead ends: 224 [2021-11-20 22:49:26,290 INFO L226 Difference]: Without dead ends: 183 [2021-11-20 22:49:26,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:49:26,293 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 1 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:26,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 22:49:26,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-20 22:49:26,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 177. [2021-11-20 22:49:26,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 151 states have (on average 1.2317880794701987) internal successors, (186), 157 states have internal predecessors, (186), 20 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 19 states have call predecessors, (20), 18 states have call successors, (20) [2021-11-20 22:49:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 226 transitions. [2021-11-20 22:49:26,308 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 226 transitions. Word has length 53 [2021-11-20 22:49:26,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:26,309 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 226 transitions. [2021-11-20 22:49:26,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 226 transitions. [2021-11-20 22:49:26,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-20 22:49:26,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:26,310 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-20 22:49:26,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:26,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:26,523 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:26,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:26,524 INFO L85 PathProgramCache]: Analyzing trace with hash -826993692, now seen corresponding path program 1 times [2021-11-20 22:49:26,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:26,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063830601] [2021-11-20 22:49:26,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:26,524 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:26,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:26,525 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:26,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-20 22:49:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:26,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 22:49:26,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:26,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:27,223 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:49:27,223 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:27,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063830601] [2021-11-20 22:49:27,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063830601] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:27,224 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:27,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 22:49:27,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883961576] [2021-11-20 22:49:27,224 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:27,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 22:49:27,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:27,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 22:49:27,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 22:49:27,225 INFO L87 Difference]: Start difference. First operand 177 states and 226 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:30,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:30,074 INFO L93 Difference]: Finished difference Result 395 states and 503 transitions. [2021-11-20 22:49:30,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 22:49:30,075 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2021-11-20 22:49:30,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:30,077 INFO L225 Difference]: With dead ends: 395 [2021-11-20 22:49:30,078 INFO L226 Difference]: Without dead ends: 330 [2021-11-20 22:49:30,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2021-11-20 22:49:30,079 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 318 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:30,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 671 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-20 22:49:30,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-11-20 22:49:30,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 160. [2021-11-20 22:49:30,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 139 states have internal predecessors, (164), 20 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-20 22:49:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 202 transitions. [2021-11-20 22:49:30,104 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 202 transitions. Word has length 53 [2021-11-20 22:49:30,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:30,104 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 202 transitions. [2021-11-20 22:49:30,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 22:49:30,105 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 202 transitions. [2021-11-20 22:49:30,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-20 22:49:30,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:30,106 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:30,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-11-20 22:49:30,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:30,319 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:30,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:30,319 INFO L85 PathProgramCache]: Analyzing trace with hash 841846950, now seen corresponding path program 1 times [2021-11-20 22:49:30,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:30,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341669301] [2021-11-20 22:49:30,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:30,320 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:30,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:30,321 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:30,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-20 22:49:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:30,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 22:49:30,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:33,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:34,442 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:34,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341669301] [2021-11-20 22:49:34,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341669301] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:34,443 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:34,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-20 22:49:34,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94748347] [2021-11-20 22:49:34,443 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:34,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 22:49:34,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:34,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 22:49:34,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-11-20 22:49:34,445 INFO L87 Difference]: Start difference. First operand 160 states and 202 transitions. Second operand has 14 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 22:49:34,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:34,654 INFO L93 Difference]: Finished difference Result 185 states and 231 transitions. [2021-11-20 22:49:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 22:49:34,655 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 55 [2021-11-20 22:49:34,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:34,656 INFO L225 Difference]: With dead ends: 185 [2021-11-20 22:49:34,657 INFO L226 Difference]: Without dead ends: 183 [2021-11-20 22:49:34,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-11-20 22:49:34,661 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 37 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:34,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 932 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 21 Unchecked, 0.1s Time] [2021-11-20 22:49:34,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-20 22:49:34,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 166. [2021-11-20 22:49:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 138 states have (on average 1.210144927536232) internal successors, (167), 144 states have internal predecessors, (167), 22 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-20 22:49:34,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 209 transitions. [2021-11-20 22:49:34,678 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 209 transitions. Word has length 55 [2021-11-20 22:49:34,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:34,679 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 209 transitions. [2021-11-20 22:49:34,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 22:49:34,679 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 209 transitions. [2021-11-20 22:49:34,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 22:49:34,680 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:34,680 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:34,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:34,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:34,893 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:34,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:34,893 INFO L85 PathProgramCache]: Analyzing trace with hash 12170841, now seen corresponding path program 1 times [2021-11-20 22:49:34,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:34,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065781833] [2021-11-20 22:49:34,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:34,894 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:34,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:34,895 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:34,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-20 22:49:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:34,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 22:49:34,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:43,698 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:43,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:44,344 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:44,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065781833] [2021-11-20 22:49:44,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065781833] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:44,344 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:44,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-20 22:49:44,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413734017] [2021-11-20 22:49:44,345 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:44,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 22:49:44,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:44,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 22:49:44,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=135, Unknown=4, NotChecked=0, Total=182 [2021-11-20 22:49:44,346 INFO L87 Difference]: Start difference. First operand 166 states and 209 transitions. Second operand has 14 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 22:49:44,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:44,501 INFO L93 Difference]: Finished difference Result 192 states and 238 transitions. [2021-11-20 22:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 22:49:44,502 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 56 [2021-11-20 22:49:44,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:44,504 INFO L225 Difference]: With dead ends: 192 [2021-11-20 22:49:44,504 INFO L226 Difference]: Without dead ends: 190 [2021-11-20 22:49:44,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=49, Invalid=157, Unknown=4, NotChecked=0, Total=210 [2021-11-20 22:49:44,505 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 37 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:44,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 842 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 61 Unchecked, 0.1s Time] [2021-11-20 22:49:44,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-20 22:49:44,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 164. [2021-11-20 22:49:44,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 138 states have (on average 1.210144927536232) internal successors, (167), 142 states have internal predecessors, (167), 20 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-20 22:49:44,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 205 transitions. [2021-11-20 22:49:44,532 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 205 transitions. Word has length 56 [2021-11-20 22:49:44,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:44,533 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 205 transitions. [2021-11-20 22:49:44,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 22:49:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 205 transitions. [2021-11-20 22:49:44,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 22:49:44,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:44,535 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:44,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:44,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:44,745 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:44,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:44,746 INFO L85 PathProgramCache]: Analyzing trace with hash -407457257, now seen corresponding path program 1 times [2021-11-20 22:49:44,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:44,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763906517] [2021-11-20 22:49:44,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:44,747 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:44,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:44,748 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:44,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-20 22:49:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:44,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 22:49:44,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:45,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:49:45,414 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:45,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763906517] [2021-11-20 22:49:45,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [763906517] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:45,414 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:45,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 22:49:45,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340237060] [2021-11-20 22:49:45,415 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:45,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 22:49:45,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:45,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 22:49:45,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 22:49:45,416 INFO L87 Difference]: Start difference. First operand 164 states and 205 transitions. Second operand has 10 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 22:49:45,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:45,752 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2021-11-20 22:49:45,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 22:49:45,752 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 61 [2021-11-20 22:49:45,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:45,754 INFO L225 Difference]: With dead ends: 193 [2021-11-20 22:49:45,754 INFO L226 Difference]: Without dead ends: 191 [2021-11-20 22:49:45,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-20 22:49:45,755 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 64 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:45,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 597 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 22:49:45,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-11-20 22:49:45,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 168. [2021-11-20 22:49:45,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 141 states have (on average 1.2056737588652482) internal successors, (170), 145 states have internal predecessors, (170), 20 states have call successors, (20), 5 states have call predecessors, (20), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-20 22:49:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 208 transitions. [2021-11-20 22:49:45,773 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 208 transitions. Word has length 61 [2021-11-20 22:49:45,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:45,774 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 208 transitions. [2021-11-20 22:49:45,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 22:49:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 208 transitions. [2021-11-20 22:49:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 22:49:45,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:45,776 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:45,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:45,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:45,990 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:45,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:45,990 INFO L85 PathProgramCache]: Analyzing trace with hash -943451417, now seen corresponding path program 1 times [2021-11-20 22:49:45,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:45,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257376384] [2021-11-20 22:49:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:45,991 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:45,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:45,992 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:46,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-20 22:49:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:46,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-20 22:49:46,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-20 22:49:48,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-20 22:49:52,391 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:49:52,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257376384] [2021-11-20 22:49:52,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [257376384] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:52,391 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:52,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 13] imperfect sequences [] total 24 [2021-11-20 22:49:52,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033134648] [2021-11-20 22:49:52,392 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:52,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-20 22:49:52,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:49:52,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-20 22:49:52,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2021-11-20 22:49:52,393 INFO L87 Difference]: Start difference. First operand 168 states and 208 transitions. Second operand has 24 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 24 states have internal predecessors, (55), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-20 22:49:55,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:55,381 INFO L93 Difference]: Finished difference Result 374 states and 471 transitions. [2021-11-20 22:49:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-20 22:49:55,384 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 24 states have internal predecessors, (55), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 66 [2021-11-20 22:49:55,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:55,386 INFO L225 Difference]: With dead ends: 374 [2021-11-20 22:49:55,386 INFO L226 Difference]: Without dead ends: 346 [2021-11-20 22:49:55,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=137, Invalid=919, Unknown=0, NotChecked=0, Total=1056 [2021-11-20 22:49:55,388 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 203 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 641 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:55,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 1332 Invalid, 884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 220 Invalid, 0 Unknown, 641 Unchecked, 1.1s Time] [2021-11-20 22:49:55,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-11-20 22:49:55,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 176. [2021-11-20 22:49:55,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 148 states have (on average 1.2094594594594594) internal successors, (179), 152 states have internal predecessors, (179), 21 states have call successors, (21), 5 states have call predecessors, (21), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-20 22:49:55,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 219 transitions. [2021-11-20 22:49:55,418 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 219 transitions. Word has length 66 [2021-11-20 22:49:55,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:55,419 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 219 transitions. [2021-11-20 22:49:55,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 24 states have internal predecessors, (55), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-20 22:49:55,419 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 219 transitions. [2021-11-20 22:49:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 22:49:55,420 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:55,420 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:55,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:55,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:49:55,634 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:55,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:55,635 INFO L85 PathProgramCache]: Analyzing trace with hash 979776617, now seen corresponding path program 1 times [2021-11-20 22:49:55,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:49:55,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861183326] [2021-11-20 22:49:55,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:55,635 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:49:55,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:49:55,636 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:49:55,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-20 22:49:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:55,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 22:49:55,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:59,164 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-20 22:49:59,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:00,927 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-20 22:50:00,927 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:50:00,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861183326] [2021-11-20 22:50:00,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861183326] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:00,927 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:00,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2021-11-20 22:50:00,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298891994] [2021-11-20 22:50:00,927 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:00,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 22:50:00,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:50:00,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 22:50:00,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=249, Unknown=1, NotChecked=0, Total=306 [2021-11-20 22:50:00,929 INFO L87 Difference]: Start difference. First operand 176 states and 219 transitions. Second operand has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-20 22:50:03,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:03,928 INFO L93 Difference]: Finished difference Result 240 states and 296 transitions. [2021-11-20 22:50:03,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 22:50:03,929 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 66 [2021-11-20 22:50:03,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:03,931 INFO L225 Difference]: With dead ends: 240 [2021-11-20 22:50:03,931 INFO L226 Difference]: Without dead ends: 212 [2021-11-20 22:50:03,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=78, Invalid=301, Unknown=1, NotChecked=0, Total=380 [2021-11-20 22:50:03,932 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 41 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 143 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:03,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 782 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 143 Unchecked, 0.6s Time] [2021-11-20 22:50:03,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-20 22:50:03,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 175. [2021-11-20 22:50:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 147 states have (on average 1.2040816326530612) internal successors, (177), 151 states have internal predecessors, (177), 21 states have call successors, (21), 5 states have call predecessors, (21), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-20 22:50:03,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 217 transitions. [2021-11-20 22:50:03,951 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 217 transitions. Word has length 66 [2021-11-20 22:50:03,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:03,952 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 217 transitions. [2021-11-20 22:50:03,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-20 22:50:03,952 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 217 transitions. [2021-11-20 22:50:03,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-20 22:50:03,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:03,954 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:03,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:04,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:50:04,165 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:50:04,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:04,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1210749100, now seen corresponding path program 1 times [2021-11-20 22:50:04,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:50:04,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956680889] [2021-11-20 22:50:04,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:04,166 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:50:04,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:50:04,168 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:50:04,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-20 22:50:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:04,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-20 22:50:04,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:07,993 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 22:50:07,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 22:50:12,712 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:50:12,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956680889] [2021-11-20 22:50:12,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [956680889] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:50:12,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1339867560] [2021-11-20 22:50:12,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:12,713 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 22:50:12,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 22:50:12,719 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 22:50:12,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2021-11-20 22:50:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:12,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 22:50:12,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:19,055 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-20 22:50:19,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:21,184 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-20 22:50:21,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1339867560] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:21,185 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-20 22:50:21,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 12] imperfect sequences [12, 12] total 34 [2021-11-20 22:50:21,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470636976] [2021-11-20 22:50:21,185 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:21,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-20 22:50:21,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:50:21,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-20 22:50:21,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=975, Unknown=2, NotChecked=0, Total=1122 [2021-11-20 22:50:21,187 INFO L87 Difference]: Start difference. First operand 175 states and 217 transitions. Second operand has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-20 22:50:32,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:32,279 INFO L93 Difference]: Finished difference Result 245 states and 304 transitions. [2021-11-20 22:50:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-20 22:50:32,281 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 67 [2021-11-20 22:50:32,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:32,282 INFO L225 Difference]: With dead ends: 245 [2021-11-20 22:50:32,282 INFO L226 Difference]: Without dead ends: 217 [2021-11-20 22:50:32,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 230 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 24.7s TimeCoverageRelationStatistics Valid=232, Invalid=1403, Unknown=5, NotChecked=0, Total=1640 [2021-11-20 22:50:32,284 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 149 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 392 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:32,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 860 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 392 Unchecked, 0.4s Time] [2021-11-20 22:50:32,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-20 22:50:32,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 178. [2021-11-20 22:50:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 151 states have (on average 1.205298013245033) internal successors, (182), 156 states have internal predecessors, (182), 20 states have call successors, (20), 5 states have call predecessors, (20), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-20 22:50:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 220 transitions. [2021-11-20 22:50:32,312 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 220 transitions. Word has length 67 [2021-11-20 22:50:32,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:32,313 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 220 transitions. [2021-11-20 22:50:32,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-20 22:50:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 220 transitions. [2021-11-20 22:50:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-20 22:50:32,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:32,315 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:32,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:32,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (27)] Ended with exit code 0 [2021-11-20 22:50:32,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:50:32,717 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:50:32,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:32,718 INFO L85 PathProgramCache]: Analyzing trace with hash -7943642, now seen corresponding path program 1 times [2021-11-20 22:50:32,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:50:32,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314700727] [2021-11-20 22:50:32,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:32,718 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:50:32,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:50:32,720 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:50:32,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-20 22:50:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:32,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 22:50:32,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-20 22:50:33,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:33,298 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-20 22:50:33,298 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:50:33,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [314700727] [2021-11-20 22:50:33,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [314700727] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:33,299 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:33,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 22:50:33,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761571592] [2021-11-20 22:50:33,299 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:33,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 22:50:33,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:50:33,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 22:50:33,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 22:50:33,300 INFO L87 Difference]: Start difference. First operand 178 states and 220 transitions. Second operand has 10 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 22:50:33,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:33,613 INFO L93 Difference]: Finished difference Result 198 states and 239 transitions. [2021-11-20 22:50:33,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 22:50:33,614 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 69 [2021-11-20 22:50:33,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:33,615 INFO L225 Difference]: With dead ends: 198 [2021-11-20 22:50:33,615 INFO L226 Difference]: Without dead ends: 172 [2021-11-20 22:50:33,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-20 22:50:33,616 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 31 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:33,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 672 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 22:50:33,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-20 22:50:33,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 161. [2021-11-20 22:50:33,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 135 states have (on average 1.1777777777777778) internal successors, (159), 140 states have internal predecessors, (159), 18 states have call successors, (18), 6 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 22:50:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 193 transitions. [2021-11-20 22:50:33,636 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 193 transitions. Word has length 69 [2021-11-20 22:50:33,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:33,636 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 193 transitions. [2021-11-20 22:50:33,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 22:50:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 193 transitions. [2021-11-20 22:50:33,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-20 22:50:33,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:33,638 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2021-11-20 22:50:33,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:33,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:50:33,851 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:50:33,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:33,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1492423721, now seen corresponding path program 1 times [2021-11-20 22:50:33,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:50:33,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100847338] [2021-11-20 22:50:33,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:33,852 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:50:33,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:50:33,853 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:50:33,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-20 22:50:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:33,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:50:33,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:50:34,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:50:34,485 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:50:34,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100847338] [2021-11-20 22:50:34,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100847338] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:34,485 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:34,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-20 22:50:34,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140627924] [2021-11-20 22:50:34,485 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:34,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 22:50:34,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:50:34,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 22:50:34,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 22:50:34,486 INFO L87 Difference]: Start difference. First operand 161 states and 193 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 22:50:34,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:34,601 INFO L93 Difference]: Finished difference Result 192 states and 225 transitions. [2021-11-20 22:50:34,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:50:34,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 70 [2021-11-20 22:50:34,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:34,604 INFO L225 Difference]: With dead ends: 192 [2021-11-20 22:50:34,604 INFO L226 Difference]: Without dead ends: 143 [2021-11-20 22:50:34,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 22:50:34,606 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 55 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:34,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 308 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 22:50:34,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-11-20 22:50:34,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 125. [2021-11-20 22:50:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 107 states have (on average 1.1495327102803738) internal successors, (123), 109 states have internal predecessors, (123), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-11-20 22:50:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2021-11-20 22:50:34,624 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 70 [2021-11-20 22:50:34,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:34,625 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2021-11-20 22:50:34,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 22:50:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2021-11-20 22:50:34,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-20 22:50:34,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:34,626 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2021-11-20 22:50:34,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:34,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:50:34,839 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:50:34,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:34,840 INFO L85 PathProgramCache]: Analyzing trace with hash -751559577, now seen corresponding path program 1 times [2021-11-20 22:50:34,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:50:34,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269147054] [2021-11-20 22:50:34,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:34,840 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:50:34,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:50:34,841 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:50:34,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-20 22:50:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:34,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 22:50:34,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:35,689 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-20 22:50:35,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-20 22:50:36,937 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:50:36,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269147054] [2021-11-20 22:50:36,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269147054] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:50:36,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1521011784] [2021-11-20 22:50:36,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:36,938 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 22:50:36,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 22:50:36,939 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 22:50:36,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2021-11-20 22:50:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:37,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 22:50:37,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-20 22:50:37,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:50:38,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1521011784] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:38,268 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-20 22:50:38,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [10, 10] total 24 [2021-11-20 22:50:38,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534404371] [2021-11-20 22:50:38,268 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:38,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 22:50:38,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:50:38,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 22:50:38,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-11-20 22:50:38,270 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 22:50:39,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:39,214 INFO L93 Difference]: Finished difference Result 185 states and 210 transitions. [2021-11-20 22:50:39,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 22:50:39,215 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 70 [2021-11-20 22:50:39,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:39,216 INFO L225 Difference]: With dead ends: 185 [2021-11-20 22:50:39,216 INFO L226 Difference]: Without dead ends: 137 [2021-11-20 22:50:39,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2021-11-20 22:50:39,218 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 134 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:39,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 395 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 22:50:39,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-20 22:50:39,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 117. [2021-11-20 22:50:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 100 states have (on average 1.13) internal successors, (113), 102 states have internal predecessors, (113), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-20 22:50:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 133 transitions. [2021-11-20 22:50:39,232 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 133 transitions. Word has length 70 [2021-11-20 22:50:39,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:39,233 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 133 transitions. [2021-11-20 22:50:39,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 22:50:39,233 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2021-11-20 22:50:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-20 22:50:39,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:39,235 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2021-11-20 22:50:39,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:39,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2021-11-20 22:50:39,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:50:39,637 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:50:39,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:39,637 INFO L85 PathProgramCache]: Analyzing trace with hash -49959703, now seen corresponding path program 1 times [2021-11-20 22:50:39,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:50:39,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940269171] [2021-11-20 22:50:39,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:39,638 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:50:39,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:50:39,639 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:50:39,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-20 22:50:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:39,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 22:50:39,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:40,539 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-20 22:50:40,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-20 22:50:42,193 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:50:42,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940269171] [2021-11-20 22:50:42,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940269171] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:50:42,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [993641426] [2021-11-20 22:50:42,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:42,194 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 22:50:42,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 22:50:42,196 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 22:50:42,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-11-20 22:50:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:42,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 22:50:42,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:50:42,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:43,049 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-20 22:50:43,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [993641426] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:50:43,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390387720] [2021-11-20 22:50:43,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:43,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:43,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:50:43,051 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:50:43,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-11-20 22:50:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:43,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 22:50:43,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:43,407 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 22:50:43,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-20 22:50:43,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390387720] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:50:43,888 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-20 22:50:43,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 8, 8, 8, 8] total 20 [2021-11-20 22:50:43,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892059848] [2021-11-20 22:50:43,889 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-20 22:50:43,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 22:50:43,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:50:43,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 22:50:43,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-11-20 22:50:43,891 INFO L87 Difference]: Start difference. First operand 117 states and 133 transitions. Second operand has 20 states, 20 states have (on average 4.1) internal successors, (82), 18 states have internal predecessors, (82), 6 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2021-11-20 22:50:44,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:44,567 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2021-11-20 22:50:44,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 22:50:44,568 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.1) internal successors, (82), 18 states have internal predecessors, (82), 6 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) Word has length 70 [2021-11-20 22:50:44,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:44,569 INFO L225 Difference]: With dead ends: 129 [2021-11-20 22:50:44,569 INFO L226 Difference]: Without dead ends: 69 [2021-11-20 22:50:44,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 392 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2021-11-20 22:50:44,570 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 28 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 33 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:44,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 843 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 33 Unchecked, 0.4s Time] [2021-11-20 22:50:44,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-20 22:50:44,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-20 22:50:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 57 states have internal predecessors, (64), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-20 22:50:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2021-11-20 22:50:44,579 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 70 [2021-11-20 22:50:44,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:44,580 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2021-11-20 22:50:44,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.1) internal successors, (82), 18 states have internal predecessors, (82), 6 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2021-11-20 22:50:44,580 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2021-11-20 22:50:44,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 22:50:44,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:44,582 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:44,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:44,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:44,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:45,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:50:45,190 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:50:45,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:45,190 INFO L85 PathProgramCache]: Analyzing trace with hash -437028168, now seen corresponding path program 1 times [2021-11-20 22:50:45,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:50:45,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435190828] [2021-11-20 22:50:45,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:45,191 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:50:45,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:50:45,192 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:50:45,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-20 22:50:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:45,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 22:50:45,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 22:50:47,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 22:50:49,137 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:50:49,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435190828] [2021-11-20 22:50:49,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435190828] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:49,137 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:49,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 20 [2021-11-20 22:50:49,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817886786] [2021-11-20 22:50:49,138 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:49,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 22:50:49,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:50:49,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 22:50:49,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-11-20 22:50:49,139 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 8 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-20 22:50:49,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:49,766 INFO L93 Difference]: Finished difference Result 92 states and 104 transitions. [2021-11-20 22:50:49,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 22:50:49,766 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 8 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) Word has length 74 [2021-11-20 22:50:49,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:49,768 INFO L225 Difference]: With dead ends: 92 [2021-11-20 22:50:49,768 INFO L226 Difference]: Without dead ends: 84 [2021-11-20 22:50:49,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2021-11-20 22:50:49,769 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 10 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 138 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:49,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 784 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 138 Unchecked, 0.2s Time] [2021-11-20 22:50:49,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-11-20 22:50:49,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-11-20 22:50:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 69 states have (on average 1.1304347826086956) internal successors, (78), 70 states have internal predecessors, (78), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 22:50:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions. [2021-11-20 22:50:49,781 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 74 [2021-11-20 22:50:49,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:49,782 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 95 transitions. [2021-11-20 22:50:49,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 8 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-20 22:50:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2021-11-20 22:50:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 22:50:49,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:49,783 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:49,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:49,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:50:49,985 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:50:49,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:49,986 INFO L85 PathProgramCache]: Analyzing trace with hash -178862730, now seen corresponding path program 1 times [2021-11-20 22:50:49,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:50:49,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327192068] [2021-11-20 22:50:49,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:49,986 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:50:49,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:50:49,987 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:50:49,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-20 22:50:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:50,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-20 22:50:50,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:53,072 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-20 22:50:53,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 22:50:58,489 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:50:58,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327192068] [2021-11-20 22:50:58,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327192068] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:58,489 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:58,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 14] imperfect sequences [] total 26 [2021-11-20 22:50:58,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375332859] [2021-11-20 22:50:58,492 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:58,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-20 22:50:58,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:50:58,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-20 22:50:58,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2021-11-20 22:50:58,494 INFO L87 Difference]: Start difference. First operand 84 states and 95 transitions. Second operand has 26 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 26 states have internal predecessors, (61), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-20 22:51:01,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:01,742 INFO L93 Difference]: Finished difference Result 117 states and 132 transitions. [2021-11-20 22:51:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 22:51:01,743 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 26 states have internal predecessors, (61), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 74 [2021-11-20 22:51:01,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:01,745 INFO L225 Difference]: With dead ends: 117 [2021-11-20 22:51:01,745 INFO L226 Difference]: Without dead ends: 97 [2021-11-20 22:51:01,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=99, Invalid=771, Unknown=0, NotChecked=0, Total=870 [2021-11-20 22:51:01,746 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 26 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 265 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:01,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 1085 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 229 Invalid, 0 Unknown, 265 Unchecked, 2.1s Time] [2021-11-20 22:51:01,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-11-20 22:51:01,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 76. [2021-11-20 22:51:01,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 62 states have (on average 1.1290322580645162) internal successors, (70), 63 states have internal predecessors, (70), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-20 22:51:01,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2021-11-20 22:51:01,757 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 74 [2021-11-20 22:51:01,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:01,757 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2021-11-20 22:51:01,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 26 states have internal predecessors, (61), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-20 22:51:01,758 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2021-11-20 22:51:01,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 22:51:01,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:01,765 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:01,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-20 22:51:01,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:51:01,978 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:51:01,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:01,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1281033670, now seen corresponding path program 1 times [2021-11-20 22:51:01,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:51:01,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349079203] [2021-11-20 22:51:01,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:01,979 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:51:01,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:51:01,980 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:51:01,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-20 22:51:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:02,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-20 22:51:02,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:51:05,097 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 22:51:05,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 22:51:10,269 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:51:10,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349079203] [2021-11-20 22:51:10,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349079203] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:10,269 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:51:10,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 13] imperfect sequences [] total 25 [2021-11-20 22:51:10,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424924742] [2021-11-20 22:51:10,270 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:10,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 22:51:10,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:51:10,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 22:51:10,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2021-11-20 22:51:10,271 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand has 25 states, 25 states have (on average 2.44) internal successors, (61), 25 states have internal predecessors, (61), 8 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-20 22:51:30,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:30,592 INFO L93 Difference]: Finished difference Result 111 states and 127 transitions. [2021-11-20 22:51:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-20 22:51:30,593 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 25 states have internal predecessors, (61), 8 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) Word has length 74 [2021-11-20 22:51:30,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:30,594 INFO L225 Difference]: With dead ends: 111 [2021-11-20 22:51:30,594 INFO L226 Difference]: Without dead ends: 73 [2021-11-20 22:51:30,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 22.6s TimeCoverageRelationStatistics Valid=508, Invalid=1214, Unknown=0, NotChecked=0, Total=1722 [2021-11-20 22:51:30,596 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 152 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 51 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:30,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 657 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 431 Invalid, 0 Unknown, 51 Unchecked, 4.1s Time] [2021-11-20 22:51:30,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-20 22:51:30,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2021-11-20 22:51:30,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 56 states have (on average 1.1071428571428572) internal successors, (62), 57 states have internal predecessors, (62), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-20 22:51:30,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 75 transitions. [2021-11-20 22:51:30,604 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 75 transitions. Word has length 74 [2021-11-20 22:51:30,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:30,605 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 75 transitions. [2021-11-20 22:51:30,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 25 states have internal predecessors, (61), 8 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-20 22:51:30,605 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2021-11-20 22:51:30,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 22:51:30,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:30,606 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:30,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-11-20 22:51:30,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:51:30,807 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:51:30,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:30,807 INFO L85 PathProgramCache]: Analyzing trace with hash -301196763, now seen corresponding path program 1 times [2021-11-20 22:51:30,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:51:30,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512266668] [2021-11-20 22:51:30,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:30,807 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:51:30,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:51:30,808 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:51:30,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-20 22:51:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:30,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 22:51:30,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:51:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 22:51:31,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 22:51:32,699 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:51:32,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512266668] [2021-11-20 22:51:32,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512266668] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:32,700 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:51:32,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2021-11-20 22:51:32,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198160733] [2021-11-20 22:51:32,700 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:32,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 22:51:32,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:51:32,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 22:51:32,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-11-20 22:51:32,701 INFO L87 Difference]: Start difference. First operand 69 states and 75 transitions. Second operand has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 states have internal predecessors, (63), 8 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-20 22:51:33,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:33,190 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2021-11-20 22:51:33,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 22:51:33,191 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 states have internal predecessors, (63), 8 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) Word has length 75 [2021-11-20 22:51:33,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:33,192 INFO L225 Difference]: With dead ends: 77 [2021-11-20 22:51:33,192 INFO L226 Difference]: Without dead ends: 69 [2021-11-20 22:51:33,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2021-11-20 22:51:33,193 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 5 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 93 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:33,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 529 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 93 Unchecked, 0.1s Time] [2021-11-20 22:51:33,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-20 22:51:33,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-20 22:51:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 57 states have internal predecessors, (61), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-20 22:51:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2021-11-20 22:51:33,203 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 75 [2021-11-20 22:51:33,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:33,204 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2021-11-20 22:51:33,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 states have internal predecessors, (63), 8 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-20 22:51:33,204 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2021-11-20 22:51:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 22:51:33,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:33,206 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:33,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2021-11-20 22:51:33,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:51:33,409 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:51:33,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:33,410 INFO L85 PathProgramCache]: Analyzing trace with hash -43031325, now seen corresponding path program 1 times [2021-11-20 22:51:33,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 22:51:33,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567897178] [2021-11-20 22:51:33,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:33,410 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 22:51:33,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 22:51:33,411 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 22:51:33,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-20 22:51:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:33,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 22:51:33,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:51:35,324 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-20 22:51:35,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:38,539 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 22:51:38,539 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 22:51:38,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567897178] [2021-11-20 22:51:38,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567897178] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:38,539 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:51:38,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 13] imperfect sequences [] total 22 [2021-11-20 22:51:38,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490394011] [2021-11-20 22:51:38,539 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:38,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 22:51:38,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 22:51:38,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 22:51:38,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2021-11-20 22:51:38,541 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 22 states have internal predecessors, (65), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-20 22:51:39,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:39,703 INFO L93 Difference]: Finished difference Result 69 states and 74 transitions. [2021-11-20 22:51:39,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 22:51:39,703 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 22 states have internal predecessors, (65), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) Word has length 75 [2021-11-20 22:51:39,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:39,704 INFO L225 Difference]: With dead ends: 69 [2021-11-20 22:51:39,704 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 22:51:39,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 126 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2021-11-20 22:51:39,705 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 20 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:39,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 414 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 77 Unchecked, 0.5s Time] [2021-11-20 22:51:39,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 22:51:39,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 22:51:39,706 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) [2021-11-20 22:51:39,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 22:51:39,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2021-11-20 22:51:39,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:39,706 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 22:51:39,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 22 states have internal predecessors, (65), 7 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-20 22:51:39,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 22:51:39,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 22:51:39,709 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-20 22:51:39,710 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-20 22:51:39,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2021-11-20 22:51:39,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 22:51:39,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 22:54:54,986 WARN L227 SmtUtils]: Spent 3.20m on a formula simplification. DAG size of input: 186 DAG size of output: 162 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 22:55:10,753 WARN L227 SmtUtils]: Spent 13.77s on a formula simplification. DAG size of input: 237 DAG size of output: 124 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 22:55:39,042 WARN L227 SmtUtils]: Spent 28.27s on a formula simplification. DAG size of input: 312 DAG size of output: 181 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 22:55:48,404 WARN L227 SmtUtils]: Spent 9.21s on a formula simplification. DAG size of input: 162 DAG size of output: 60 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 22:55:59,383 WARN L227 SmtUtils]: Spent 10.98s on a formula simplification. DAG size of input: 161 DAG size of output: 72 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 22:57:54,303 WARN L227 SmtUtils]: Spent 1.92m on a formula simplification. DAG size of input: 179 DAG size of output: 104 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 22:58:16,868 WARN L227 SmtUtils]: Spent 22.55s on a formula simplification. DAG size of input: 299 DAG size of output: 173 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 22:58:20,651 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 78) no Hoare annotation was computed. [2021-11-20 22:58:20,651 INFO L858 garLoopResultBuilder]: For program point L102(lines 101 116) no Hoare annotation was computed. [2021-11-20 22:58:20,651 INFO L854 garLoopResultBuilder]: At program point L123(lines 72 125) the Hoare annotation is: (let ((.cse0 (not (= |base2flt_#in~m| (_ bv0 32))))) (and (or (= base2flt_~m |base2flt_#in~m|) .cse0) (or .cse0 (= base2flt_~__retres4~0 (_ bv0 32))))) [2021-11-20 22:58:20,651 INFO L858 garLoopResultBuilder]: For program point L82(lines 81 96) no Hoare annotation was computed. [2021-11-20 22:58:20,651 INFO L858 garLoopResultBuilder]: For program point L103(lines 101 116) no Hoare annotation was computed. [2021-11-20 22:58:20,651 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 95) no Hoare annotation was computed. [2021-11-20 22:58:20,651 INFO L854 garLoopResultBuilder]: At program point L91-1(lines 81 96) the Hoare annotation is: (not (= |base2flt_#in~m| (_ bv0 32))) [2021-11-20 22:58:20,651 INFO L861 garLoopResultBuilder]: At program point base2fltENTRY(lines 68 126) the Hoare annotation is: true [2021-11-20 22:58:20,652 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 119) no Hoare annotation was computed. [2021-11-20 22:58:20,652 INFO L858 garLoopResultBuilder]: For program point base2fltFINAL(lines 68 126) no Hoare annotation was computed. [2021-11-20 22:58:20,652 INFO L858 garLoopResultBuilder]: For program point base2fltEXIT(lines 68 126) no Hoare annotation was computed. [2021-11-20 22:58:20,653 INFO L854 garLoopResultBuilder]: At program point L117(lines 79 119) the Hoare annotation is: (not (= |base2flt_#in~m| (_ bv0 32))) [2021-11-20 22:58:20,653 INFO L854 garLoopResultBuilder]: At program point L101-2(lines 101 116) the Hoare annotation is: (not (= |base2flt_#in~m| (_ bv0 32))) [2021-11-20 22:58:20,653 INFO L858 garLoopResultBuilder]: For program point L374(lines 374 383) no Hoare annotation was computed. [2021-11-20 22:58:20,653 INFO L858 garLoopResultBuilder]: For program point L374-2(lines 373 389) no Hoare annotation was computed. [2021-11-20 22:58:20,653 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-20 22:58:20,653 INFO L858 garLoopResultBuilder]: For program point L160-2(line 160) no Hoare annotation was computed. [2021-11-20 22:58:20,653 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 22:58:20,653 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 22:58:20,654 INFO L858 garLoopResultBuilder]: For program point L309-1(lines 309 318) no Hoare annotation was computed. [2021-11-20 22:58:20,654 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 395) no Hoare annotation was computed. [2021-11-20 22:58:20,654 INFO L858 garLoopResultBuilder]: For program point L359-1(lines 359 395) no Hoare annotation was computed. [2021-11-20 22:58:20,654 INFO L854 garLoopResultBuilder]: At program point L384-1(lines 371 389) the Hoare annotation is: (= |ULTIMATE.start_main2_~tmp___9~0#1| (_ bv1 32)) [2021-11-20 22:58:20,654 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 407) no Hoare annotation was computed. [2021-11-20 22:58:20,654 INFO L858 garLoopResultBuilder]: For program point L335(lines 323 350) no Hoare annotation was computed. [2021-11-20 22:58:20,654 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2021-11-20 22:58:20,656 INFO L858 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2021-11-20 22:58:20,656 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 181) no Hoare annotation was computed. [2021-11-20 22:58:20,657 INFO L854 garLoopResultBuilder]: At program point L170-2(lines 170 181) the Hoare annotation is: (let ((.cse6 (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|)) (.cse1 (= |ULTIMATE.start_addflt_~b#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse10 (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32)))) (let ((.cse5 (bvneg (bvadd .cse10 (_ bv4294967168 32)))) (.cse0 (let ((.cse7 (= |ULTIMATE.start_main2_~tmp___0~0#1| (_ bv1 32))) (.cse8 (let ((.cse11 (let ((.cse15 (not (= |ULTIMATE.start_addflt_~b#1| (_ bv0 32)))) (.cse16 (not (= |ULTIMATE.start_main2_~a~0#1| (_ bv0 32))))) (or (and (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|) .cse15 .cse16) (and (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|)) .cse1 .cse15 .cse16)))) (.cse12 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse13 (= (_ bv1 32) |ULTIMATE.start_main2_~sa~0#1|)) (.cse14 (= |ULTIMATE.start_main2_~tmp~2#1| (_ bv1 32)))) (or (and .cse11 .cse12 .cse13 (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (= |ULTIMATE.start_addflt_~ma~0#1| (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|))))) .cse14 (= (bvand (_ bv33554432 32) |ULTIMATE.start_addflt_~ma~0#1|) (_ bv0 32))) (and .cse11 .cse12 .cse13 (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (= |ULTIMATE.start_addflt_~ma~0#1| (bvlshr (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|))) (_ bv1 32)))) .cse14)))) (.cse9 (= (_ bv1 32) |ULTIMATE.start_main2_~sb~0#1|))) (or (and .cse7 (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32))) (= (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|))) |ULTIMATE.start_addflt_~ma~0#1|)) .cse8 .cse9 (= .cse10 .cse6)) (and .cse7 (forall ((|ULTIMATE.start_addflt_~ma~0#1| (_ BitVec 32))) (not (bvult (bvor (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~ma~0#1|) (bvshl (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|) (_ bv24 32))) |ULTIMATE.start_main2_~a~0#1|))) .cse8 .cse9)))) (.cse2 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_addflt_~b#1|))) (.cse3 (= |ULTIMATE.start_main2_~zero~0#1| (_ bv0 32))) (.cse4 (bvlshr |ULTIMATE.start_main2_~b~0#1| (_ bv24 32)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|) .cse3) (and .cse0 .cse2 (= (bvadd (_ bv127 32) |ULTIMATE.start_addflt_~ea~0#1|) .cse4) .cse3 (bvult (bvadd (_ bv4294967295 32) .cse5 |ULTIMATE.start_addflt_~ea~0#1|) (_ bv32 32))) (and (bvult (bvadd .cse5 |ULTIMATE.start_addflt_~ea~0#1|) (_ bv32 32)) .cse0 .cse2 .cse3 (exists ((|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (= |ULTIMATE.start_addflt_~ma~0#1| (bvadd (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|)) (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|)) (bvadd (bvneg (bvadd (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32)) (_ bv4294967168 32))) |ULTIMATE.start_addflt_~ea~0#1|))))) (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32))) (= |ULTIMATE.start_addflt_~ma~0#1| (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~b~0#1|))))) (= .cse6 .cse4))))) [2021-11-20 22:58:20,657 INFO L854 garLoopResultBuilder]: At program point L360(lines 356 396) the Hoare annotation is: (let ((.cse9 (= |ULTIMATE.start_addflt_~b#1| (_ bv0 32)))) (let ((.cse0 (= |ULTIMATE.start_main2_~a~0#1| |ULTIMATE.start_main2_~r_add~0#1|)) (.cse1 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse5 (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse6 (= (_ bv1 32) |ULTIMATE.start_main2_~sa~0#1|)) (.cse7 (= |ULTIMATE.start_main2_~tmp~2#1| (_ bv1 32))) (.cse8 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|))) (.cse3 (= |ULTIMATE.start_main2_~b~0#1| |ULTIMATE.start_main2_~r_add~0#1|)) (.cse2 (= |ULTIMATE.start_addflt_~b#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse4 (or (not .cse9) (not (= |ULTIMATE.start_addflt_~a#1| (_ bv0 32)))))) (or (and .cse0 .cse1 .cse2 (not (bvult |ULTIMATE.start_main2_~r_add~0#1| |ULTIMATE.start_main2_~b~0#1|))) (and .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 (or (and .cse8 .cse2) .cse5)) (and (not (bvugt |ULTIMATE.start_addflt_#res#1| |ULTIMATE.start_main2_~a~0#1|)) (= |ULTIMATE.start_main2_~a~0#1| (_ bv0 32)) (not (bvugt |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|)) (not (bvugt |ULTIMATE.start_addflt_~__retres10~0#1| |ULTIMATE.start_main2_~a~0#1|)) (not (bvugt |ULTIMATE.start_main2_~r_add~0#1| |ULTIMATE.start_main2_~a~0#1|)) (not (bvsgt |ULTIMATE.start_main2_~sa~0#1| (_ bv0 32))) .cse9) (and .cse8 .cse3 .cse6 .cse2 .cse7) (and .cse8 .cse3 .cse2 .cse4)))) [2021-11-20 22:58:20,657 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 331) no Hoare annotation was computed. [2021-11-20 22:58:20,657 INFO L858 garLoopResultBuilder]: For program point L327-2(lines 327 331) no Hoare annotation was computed. [2021-11-20 22:58:20,657 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 381) no Hoare annotation was computed. [2021-11-20 22:58:20,658 INFO L858 garLoopResultBuilder]: For program point L377-2(lines 377 381) no Hoare annotation was computed. [2021-11-20 22:58:20,658 INFO L858 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2021-11-20 22:58:20,658 INFO L858 garLoopResultBuilder]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2021-11-20 22:58:20,658 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 176) no Hoare annotation was computed. [2021-11-20 22:58:20,658 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 144) no Hoare annotation was computed. [2021-11-20 22:58:20,658 INFO L858 garLoopResultBuilder]: For program point L138-2(lines 137 190) no Hoare annotation was computed. [2021-11-20 22:58:20,658 INFO L858 garLoopResultBuilder]: For program point L361-1(lines 359 393) no Hoare annotation was computed. [2021-11-20 22:58:20,659 INFO L861 garLoopResultBuilder]: At program point L295(line 295) the Hoare annotation is: true [2021-11-20 22:58:20,659 INFO L858 garLoopResultBuilder]: For program point L295-1(line 295) no Hoare annotation was computed. [2021-11-20 22:58:20,659 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 168) no Hoare annotation was computed. [2021-11-20 22:58:20,659 INFO L854 garLoopResultBuilder]: At program point L188(lines 137 190) the Hoare annotation is: (let ((.cse22 (= |ULTIMATE.start_main2_~a~0#1| (_ bv0 32))) (.cse23 (= |ULTIMATE.start_addflt_~b#1| (_ bv0 32)))) (let ((.cse12 (= |ULTIMATE.start_main2_~tmp___0~0#1| (_ bv1 32))) (.cse13 (not (bvult |ULTIMATE.start_addflt_~__retres10~0#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse0 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_main2_~sa~0#1|)) (.cse14 (= (_ bv1 32) |ULTIMATE.start_main2_~sb~0#1|)) (.cse5 (= |ULTIMATE.start_main2_~tmp~2#1| (_ bv1 32))) (.cse2 (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse15 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|))) (.cse8 (= |ULTIMATE.start_addflt_~b#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse3 (not .cse23)) (.cse4 (not .cse22))) (let ((.cse7 (not (bvult |ULTIMATE.start_addflt_~__retres10~0#1| |ULTIMATE.start_main2_~b~0#1|))) (.cse24 (not (bvugt |ULTIMATE.start_addflt_~__retres10~0#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse11 (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|)) (.cse9 (not (bvsgt |ULTIMATE.start_main2_~sb~0#1| (_ bv0 32)))) (.cse10 (not (= |ULTIMATE.start_addflt_~a#1| (_ bv0 32)))) (.cse6 (= |ULTIMATE.start_main2_~b~0#1| |ULTIMATE.start_addflt_~__retres10~0#1|)) (.cse18 (let ((.cse26 (or (and .cse2 .cse3 .cse4) (and .cse15 .cse8 .cse3 .cse4))) (.cse29 (bvult |ULTIMATE.start_addflt_~ma~0#1| (_ bv33554432 32)))) (or (and .cse12 (or (and .cse26 .cse0 .cse1 (exists ((|ULTIMATE.start_addflt_~ma~0#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (let ((.cse27 (bvlshr |ULTIMATE.start_addflt_~a#1| (_ bv24 32)))) (let ((.cse28 (bvadd .cse27 (_ bv4294967168 32) (bvneg (bvadd (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32)) (_ bv4294967168 32)))))) (and (= |ULTIMATE.start_addflt_~__retres10~0#1| (bvor |ULTIMATE.start_addflt_~ma~0#1| (bvshl .cse27 (_ bv24 32)))) (bvult .cse28 (_ bv32 32)) (= (bvand (_ bv33554432 32) (bvadd (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|)) (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|)) .cse28))) (_ bv0 32)))))) .cse29 .cse5) (and .cse26 .cse0 .cse1 .cse29 .cse5 (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32))) (let ((.cse30 (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|))))) (and (= (bvand (_ bv33554432 32) .cse30) (_ bv0 32)) (= (bvor (bvand (_ bv16777215 32) .cse30) (bvshl (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32)) (_ bv24 32))) |ULTIMATE.start_addflt_~__retres10~0#1|)))))) .cse14) (and .cse26 .cse12 (forall ((|ULTIMATE.start_addflt_~ma~0#1| (_ BitVec 32))) (not (bvult (bvor (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~ma~0#1|) (bvshl (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|) (_ bv24 32))) |ULTIMATE.start_main2_~a~0#1|))) .cse13 .cse0 .cse1 .cse29 .cse14 .cse5)))) (.cse19 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_addflt_~b#1|))) (.cse21 (= |ULTIMATE.start_main2_~zero~0#1| (_ bv0 32))) (.cse25 (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_main2_~a~0#1| |ULTIMATE.start_addflt_~__retres10~0#1|) .cse7 .cse1 .cse8 .cse9 .cse10 .cse5 .cse11) (and .cse12 .cse13 .cse0 .cse1 (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (= |ULTIMATE.start_addflt_~ma~0#1| (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|))))) .cse14 (or (and .cse7 .cse2 .cse3 .cse4) (and .cse15 .cse7 .cse8 .cse3 .cse4)) .cse5) (and (exists ((|ULTIMATE.start_addflt_~ea~0#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (let ((.cse16 (bvadd (bvneg (bvadd (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32)) (_ bv4294967168 32))) |ULTIMATE.start_addflt_~ea~0#1|))) (let ((.cse17 (bvadd (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|)) (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|)) .cse16)))) (and (bvult .cse16 (_ bv32 32)) (= (bvand (_ bv33554432 32) .cse17) (_ bv0 32)) (= (bvor (bvand (_ bv16777215 32) .cse17) (bvshl (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|) (_ bv24 32))) |ULTIMATE.start_addflt_~__retres10~0#1|))))) .cse18 .cse19 (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32))) (let ((.cse20 (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~b~0#1|))))) (and (= (bvor (bvand (_ bv16777215 32) .cse20) (bvshl (bvlshr |ULTIMATE.start_main2_~b~0#1| (_ bv24 32)) (_ bv24 32))) |ULTIMATE.start_addflt_~__retres10~0#1|) (= (bvand (_ bv33554432 32) .cse20) (_ bv0 32))))) .cse21) (and (= |ULTIMATE.start_main2_~sa~0#1| (_ bv0 32)) .cse22 .cse2 (= |ULTIMATE.start_main2_~tmp~2#1| (_ bv0 32)) .cse6 .cse23) (and .cse22 (not (bvugt |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|)) .cse24 (not (bvsgt |ULTIMATE.start_main2_~sa~0#1| (_ bv0 32))) .cse23) (and .cse7 .cse13 .cse1 .cse24 .cse8 (= |ULTIMATE.start_addflt_~ma~0#1| (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|))) .cse3 .cse5 (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32))) (= (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) |ULTIMATE.start_addflt_~mb~0#1|)) .cse11 (= .cse25 (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|))) (and .cse18 .cse8 .cse19 .cse11 .cse21) (and .cse1 .cse9 .cse2 .cse3 .cse4 .cse10 .cse5 .cse6) (and .cse18 (exists ((|v_ULTIMATE.start_addflt_~ma~0#1_102| (_ BitVec 32))) (= (bvor (bvand (_ bv16777215 32) |v_ULTIMATE.start_addflt_~ma~0#1_102|) (bvshl (bvadd (_ bv1 32) (bvlshr |ULTIMATE.start_main2_~b~0#1| (_ bv24 32))) (_ bv24 32))) |ULTIMATE.start_addflt_~__retres10~0#1|)) .cse19 (= (bvadd (_ bv127 32) |ULTIMATE.start_addflt_~ea~0#1|) (bvlshr |ULTIMATE.start_main2_~b~0#1| (_ bv24 32))) .cse21 (bvult (bvadd (_ bv4294967295 32) (bvneg (bvadd .cse25 (_ bv4294967168 32))) |ULTIMATE.start_addflt_~ea~0#1|) (_ bv32 32))))))) [2021-11-20 22:58:20,660 INFO L858 garLoopResultBuilder]: For program point L312(lines 312 316) no Hoare annotation was computed. [2021-11-20 22:58:20,660 INFO L858 garLoopResultBuilder]: For program point L312-2(lines 312 316) no Hoare annotation was computed. [2021-11-20 22:58:20,660 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 406) no Hoare annotation was computed. [2021-11-20 22:58:20,660 INFO L858 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2021-11-20 22:58:20,660 INFO L854 garLoopResultBuilder]: At program point L337-1(lines 337 346) the Hoare annotation is: (let ((.cse8 (not (bvult |ULTIMATE.start_main2_~r_add~0#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse6 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_main2_~sa~0#1|)) (.cse1 (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse4 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|))) (.cse5 (= |ULTIMATE.start_addflt_~b#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse2 (not (= |ULTIMATE.start_addflt_~b#1| (_ bv0 32)))) (.cse3 (not (= |ULTIMATE.start_main2_~a~0#1| (_ bv0 32)))) (.cse10 (= |ULTIMATE.start_main2_~tmp~2#1| (_ bv1 32))) (.cse9 (bvsge |ULTIMATE.start_main2_~tmp___3~0#1| (_ bv0 32))) (.cse11 (bvsge |ULTIMATE.start_main2_~tmp___4~0#1| (_ bv0 32)))) (or (and (let ((.cse0 (not (bvult |ULTIMATE.start_main2_~r_add~0#1| |ULTIMATE.start_main2_~b~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2 .cse3))) (= |ULTIMATE.start_main2_~tmp___0~0#1| (_ bv1 32)) .cse6 .cse7 (= |ULTIMATE.start_main2_~tmp___2~0#1| (_ bv1 32)) .cse8 (= (_ bv1 32) |ULTIMATE.start_main2_~sb~0#1|) (= |ULTIMATE.start_main2_~tmp___1~0#1| (_ bv1 32)) .cse9 .cse10 .cse11) (and .cse8 (or (and .cse7 (let ((.cse12 (= |ULTIMATE.start_main2_~b~0#1| |ULTIMATE.start_main2_~r_add~0#1|))) (or (and .cse4 .cse12 .cse5 .cse3) (and .cse12 .cse1 .cse2 .cse3))) .cse10) (and .cse6 .cse7 (let ((.cse13 (not (bvugt |ULTIMATE.start_main2_~r_add~0#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse14 (not (= |ULTIMATE.start_addflt_~a#1| (_ bv0 32))))) (or (and .cse13 .cse1 .cse2 .cse3 .cse14) (and .cse4 .cse5 .cse13 .cse2 .cse3 .cse14))) .cse10)) .cse9 .cse11))) [2021-11-20 22:58:20,660 INFO L854 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: (= |ULTIMATE.start_main2_~zero~0#1| (_ bv0 32)) [2021-11-20 22:58:20,660 INFO L858 garLoopResultBuilder]: For program point L296-1(line 296) no Hoare annotation was computed. [2021-11-20 22:58:20,660 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 22:58:20,661 INFO L854 garLoopResultBuilder]: At program point L189(lines 127 191) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_main2_~a~0#1| (_ bv0 32))) (.cse8 (= |ULTIMATE.start_addflt_~b#1| (_ bv0 32)))) (let ((.cse9 (not (bvult |ULTIMATE.start_addflt_#res#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse10 (= |ULTIMATE.start_main2_~tmp___0~0#1| (_ bv1 32))) (.cse11 (not (bvult |ULTIMATE.start_addflt_~__retres10~0#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse12 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse13 (= (_ bv1 32) |ULTIMATE.start_main2_~sa~0#1|)) (.cse20 (= (_ bv1 32) |ULTIMATE.start_main2_~sb~0#1|)) (.cse21 (= |ULTIMATE.start_main2_~tmp~2#1| (_ bv1 32))) (.cse5 (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse18 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|))) (.cse19 (= |ULTIMATE.start_addflt_~b#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse16 (not .cse8)) (.cse17 (not .cse4))) (let ((.cse1 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_addflt_~b#1|))) (.cse2 (= |ULTIMATE.start_main2_~zero~0#1| (_ bv0 32))) (.cse3 (let ((.cse30 (or (and .cse5 .cse16 .cse17) (and .cse18 .cse19 .cse16 .cse17))) (.cse32 (bvult |ULTIMATE.start_addflt_~ma~0#1| (_ bv33554432 32)))) (or (and .cse10 (or (and .cse30 (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32))) (let ((.cse31 (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|))))) (and (= (bvor (bvand (_ bv16777215 32) .cse31) (bvshl (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32)) (_ bv24 32))) |ULTIMATE.start_addflt_#res#1|) (= (bvand (_ bv33554432 32) .cse31) (_ bv0 32))))) .cse12 .cse13 .cse32 .cse21) (and .cse30 .cse12 .cse13 (exists ((|ULTIMATE.start_addflt_~ma~0#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (let ((.cse33 (bvlshr |ULTIMATE.start_addflt_~a#1| (_ bv24 32)))) (let ((.cse34 (bvadd .cse33 (_ bv4294967168 32) (bvneg (bvadd (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32)) (_ bv4294967168 32)))))) (and (= |ULTIMATE.start_addflt_~__retres10~0#1| (bvor |ULTIMATE.start_addflt_~ma~0#1| (bvshl .cse33 (_ bv24 32)))) (bvult .cse34 (_ bv32 32)) (= (bvand (_ bv33554432 32) (bvadd (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|)) (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|)) .cse34))) (_ bv0 32)))))) (exists ((|ULTIMATE.start_addflt_~ma~0#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (let ((.cse36 (bvlshr |ULTIMATE.start_addflt_~a#1| (_ bv24 32)))) (let ((.cse35 (bvadd .cse36 (_ bv4294967168 32) (bvneg (bvadd (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32)) (_ bv4294967168 32)))))) (and (bvult .cse35 (_ bv32 32)) (= (bvand (_ bv33554432 32) (bvadd (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|)) (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|)) .cse35))) (_ bv0 32)) (= |ULTIMATE.start_addflt_#res#1| (bvor |ULTIMATE.start_addflt_~ma~0#1| (bvshl .cse36 (_ bv24 32)))))))) .cse32 .cse21)) .cse20) (and .cse30 .cse9 .cse10 (forall ((|ULTIMATE.start_addflt_~ma~0#1| (_ BitVec 32))) (not (bvult (bvor (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~ma~0#1|) (bvshl (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|) (_ bv24 32))) |ULTIMATE.start_main2_~a~0#1|))) .cse11 .cse12 .cse13 .cse32 .cse20 .cse21)))) (.cse22 (not (bvugt |ULTIMATE.start_addflt_~__retres10~0#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse0 (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32))) (.cse6 (= |ULTIMATE.start_main2_~b~0#1| |ULTIMATE.start_addflt_~__retres10~0#1|)) (.cse7 (= |ULTIMATE.start_addflt_#res#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse15 (not (bvult |ULTIMATE.start_addflt_#res#1| |ULTIMATE.start_main2_~b~0#1|))) (.cse24 (not (bvsgt |ULTIMATE.start_main2_~sb~0#1| (_ bv0 32)))) (.cse25 (not (= |ULTIMATE.start_addflt_~a#1| (_ bv0 32)))) (.cse23 (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|)) (.cse29 (= |ULTIMATE.start_addflt_#res#1| |ULTIMATE.start_main2_~a~0#1|))) (or (and (bvult (bvadd (_ bv4294967168 32) (bvneg (bvadd .cse0 (_ bv4294967168 32))) (bvlshr |ULTIMATE.start_main2_~b~0#1| (_ bv24 32))) (_ bv32 32)) .cse1 (exists ((|v_ULTIMATE.start_addflt_~ma~0#1_108| (_ BitVec 32))) (= |ULTIMATE.start_addflt_#res#1| (bvor (bvand (_ bv16777215 32) |v_ULTIMATE.start_addflt_~ma~0#1_108|) (bvshl (bvadd (_ bv1 32) (bvlshr |ULTIMATE.start_main2_~b~0#1| (_ bv24 32))) (_ bv24 32))))) .cse2 .cse3) (and (= |ULTIMATE.start_main2_~sa~0#1| (_ bv0 32)) .cse4 .cse5 (= |ULTIMATE.start_main2_~tmp~2#1| (_ bv0 32)) .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse12 .cse13 (let ((.cse14 (not (bvult |ULTIMATE.start_addflt_~__retres10~0#1| |ULTIMATE.start_main2_~b~0#1|)))) (or (and .cse14 .cse15 .cse5 .cse16 .cse17) (and .cse18 .cse14 .cse15 .cse19 .cse16 .cse17))) (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (= |ULTIMATE.start_addflt_~ma~0#1| (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|))))) .cse20 .cse21) (and (not (bvugt |ULTIMATE.start_addflt_#res#1| |ULTIMATE.start_main2_~a~0#1|)) .cse4 (not (bvugt |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|)) .cse22 (not (bvsgt |ULTIMATE.start_main2_~sa~0#1| (_ bv0 32))) .cse8) (and .cse19 .cse1 .cse23 .cse2 .cse3) (and .cse13 .cse24 .cse5 .cse16 .cse17 .cse25 .cse21 .cse6 .cse7) (and .cse1 (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32))) (let ((.cse26 (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~b~0#1|))))) (and (= |ULTIMATE.start_addflt_#res#1| (bvor (bvand (_ bv16777215 32) .cse26) (bvshl (bvlshr |ULTIMATE.start_main2_~b~0#1| (_ bv24 32)) (_ bv24 32)))) (= (bvand (_ bv33554432 32) .cse26) (_ bv0 32))))) (exists ((|ULTIMATE.start_addflt_~ea~0#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (let ((.cse27 (bvadd (bvneg (bvadd (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32)) (_ bv4294967168 32))) |ULTIMATE.start_addflt_~ea~0#1|))) (let ((.cse28 (bvadd (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|)) (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|)) .cse27)))) (and (bvult .cse27 (_ bv32 32)) (= (bvand (_ bv33554432 32) .cse28) (_ bv0 32)) (= (bvor (bvand (_ bv16777215 32) .cse28) (bvshl (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|) (_ bv24 32))) |ULTIMATE.start_addflt_#res#1|))))) .cse2 .cse3) (and .cse15 .cse11 .cse13 .cse22 .cse19 (= |ULTIMATE.start_addflt_~ma~0#1| (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|))) .cse16 .cse21 (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32))) (= (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) |ULTIMATE.start_addflt_~mb~0#1|)) .cse23 .cse29 (= .cse0 (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|))) (and .cse12 .cse13 .cse5 .cse16 .cse17 .cse21 .cse6 .cse7) (and (= |ULTIMATE.start_main2_~a~0#1| |ULTIMATE.start_addflt_~__retres10~0#1|) .cse15 .cse13 .cse19 .cse24 .cse25 .cse21 .cse23 .cse29))))) [2021-11-20 22:58:20,661 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 48) no Hoare annotation was computed. [2021-11-20 22:58:20,661 INFO L854 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: (= |ULTIMATE.start_main2_~zero~0#1| (_ bv0 32)) [2021-11-20 22:58:20,661 INFO L858 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2021-11-20 22:58:20,661 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 355) no Hoare annotation was computed. [2021-11-20 22:58:20,662 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-11-20 22:58:20,662 INFO L858 garLoopResultBuilder]: For program point L322-1(lines 293 399) no Hoare annotation was computed. [2021-11-20 22:58:20,662 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 22:58:20,662 INFO L861 garLoopResultBuilder]: At program point L50(lines 37 51) the Hoare annotation is: true [2021-11-20 22:58:20,662 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 368) no Hoare annotation was computed. [2021-11-20 22:58:20,662 INFO L858 garLoopResultBuilder]: For program point L364-2(lines 364 368) no Hoare annotation was computed. [2021-11-20 22:58:20,662 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 352) no Hoare annotation was computed. [2021-11-20 22:58:20,662 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-11-20 22:58:20,663 INFO L854 garLoopResultBuilder]: At program point L158(line 158) the Hoare annotation is: (let ((.cse11 (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~a~0#1|))) (.cse0 (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~eb~0#1|)) (.cse14 (bvlshr |ULTIMATE.start_main2_~a~0#1| (_ bv24 32)))) (let ((.cse8 (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|)) (.cse6 (= .cse0 .cse14)) (.cse7 (= |ULTIMATE.start_addflt_~mb~0#1| .cse11))) (let ((.cse2 (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~b~0#1|))) (.cse3 (bvugt |ULTIMATE.start_main2_~a~0#1| |ULTIMATE.start_main2_~zero~0#1|)) (.cse4 (let ((.cse9 (= |ULTIMATE.start_main2_~tmp___0~0#1| (_ bv1 32))) (.cse10 (= (_ bv1 32) |ULTIMATE.start_main2_~sa~0#1|)) (.cse12 (= (_ bv1 32) |ULTIMATE.start_main2_~sb~0#1|)) (.cse13 (= |ULTIMATE.start_main2_~tmp~2#1| (_ bv1 32)))) (or (and (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|)) .cse9 .cse10 (bvsge |ULTIMATE.start_addflt_~ea~0#1| |ULTIMATE.start_addflt_~eb~0#1|) (= |ULTIMATE.start_addflt_~b#1| |ULTIMATE.start_main2_~b~0#1|) (= |ULTIMATE.start_addflt_~ma~0#1| .cse11) (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32))) (= |ULTIMATE.start_addflt_~mb~0#1| (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)))) (not (= |ULTIMATE.start_addflt_~b#1| (_ bv0 32))) .cse12 .cse13 (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|) (= .cse14 .cse8)) (and .cse9 (bvult |ULTIMATE.start_addflt_~b#1| |ULTIMATE.start_addflt_~a#1|) .cse10 .cse6 .cse7 (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|) (exists ((|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (and (= (bvlshr |ULTIMATE.start_addflt_~a#1| (_ bv24 32)) (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|)) (= |ULTIMATE.start_addflt_~ma~0#1| (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|))))) (= |ULTIMATE.start_addflt_~b#1| |ULTIMATE.start_main2_~a~0#1|) .cse12 .cse13 (exists ((|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (and (= (bvlshr |ULTIMATE.start_addflt_~a#1| (_ bv24 32)) (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|)) (bvult |ULTIMATE.start_main2_~a~0#1| |ULTIMATE.start_addflt_~a#1|))))))) (.cse5 (= |ULTIMATE.start_main2_~zero~0#1| (_ bv0 32))) (.cse1 (bvlshr |ULTIMATE.start_main2_~b~0#1| (_ bv24 32)))) (or (and (= .cse0 .cse1) (= |ULTIMATE.start_addflt_~mb~0#1| .cse2) .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_addflt_~ma~0#1| .cse2) .cse6 .cse3 .cse4 .cse7 .cse5 (= .cse8 .cse1)))))) [2021-11-20 22:58:20,663 INFO L858 garLoopResultBuilder]: For program point L158-1(line 158) no Hoare annotation was computed. [2021-11-20 22:58:20,664 INFO L858 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-11-20 22:58:20,664 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 344) no Hoare annotation was computed. [2021-11-20 22:58:20,664 INFO L858 garLoopResultBuilder]: For program point L340-2(lines 340 344) no Hoare annotation was computed. [2021-11-20 22:58:20,665 INFO L861 garLoopResultBuilder]: At program point L398(lines 269 400) the Hoare annotation is: true [2021-11-20 22:58:20,665 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 308) no Hoare annotation was computed. [2021-11-20 22:58:20,665 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 293 399) no Hoare annotation was computed. [2021-11-20 22:58:20,666 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 333) no Hoare annotation was computed. [2021-11-20 22:58:20,666 INFO L854 garLoopResultBuilder]: At program point L324-2(lines 324 333) the Hoare annotation is: (let ((.cse10 (= |ULTIMATE.start_main2_~tmp___2~0#1| (_ bv1 32))) (.cse11 (not (bvult |ULTIMATE.start_main2_~r_add~0#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse20 (= |ULTIMATE.start_main2_~tmp___1~0#1| (_ bv1 32))) (.cse24 (= |ULTIMATE.start_main2_~a~0#1| |ULTIMATE.start_main2_~r_add~0#1|)) (.cse6 (= |ULTIMATE.start_main2_~tmp___0~0#1| (_ bv1 32))) (.cse8 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse9 (= (_ bv1 32) |ULTIMATE.start_main2_~sa~0#1|)) (.cse19 (= (_ bv1 32) |ULTIMATE.start_main2_~sb~0#1|)) (.cse22 (bvsge |ULTIMATE.start_main2_~tmp___2~0#1| (_ bv0 32))) (.cse21 (= |ULTIMATE.start_main2_~tmp~2#1| (_ bv1 32))) (.cse23 (bvsge |ULTIMATE.start_main2_~tmp___1~0#1| (_ bv0 32))) (.cse18 (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse14 (= |ULTIMATE.start_addflt_~b#1| |ULTIMATE.start_main2_~b~0#1|)) (.cse16 (not (= |ULTIMATE.start_addflt_~b#1| (_ bv0 32))))) (let ((.cse0 (bvugt |ULTIMATE.start_main2_~a~0#1| |ULTIMATE.start_main2_~zero~0#1|)) (.cse1 (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_addflt_~b#1|))) (.cse2 (let ((.cse25 (or (and .cse18 .cse16) (and .cse14 .cse16))) (.cse26 (bvult |ULTIMATE.start_addflt_~ma~0#1| (_ bv33554432 32)))) (or (and .cse6 .cse25 .cse8 .cse9 .cse10 .cse26 .cse11 .cse19 .cse20 .cse21) (and .cse24 .cse6 .cse25 .cse8 .cse9 .cse26 .cse19 .cse22 .cse21 .cse23)))) (.cse3 (= |ULTIMATE.start_main2_~zero~0#1| (_ bv0 32))) (.cse17 (not (= |ULTIMATE.start_main2_~a~0#1| (_ bv0 32)))) (.cse5 (not (bvult |ULTIMATE.start_addflt_#res#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse7 (not (bvult |ULTIMATE.start_addflt_~__retres10~0#1| |ULTIMATE.start_main2_~a~0#1|))) (.cse15 (not (bvult |ULTIMATE.start_main2_~r_add~0#1| |ULTIMATE.start_main2_~b~0#1|)))) (or (and (exists ((|v_ULTIMATE.start_addflt_~ma~0#1_102| (_ BitVec 32))) (= (bvor (bvand (_ bv16777215 32) |v_ULTIMATE.start_addflt_~ma~0#1_102|) (bvshl (bvadd (_ bv1 32) (bvlshr |ULTIMATE.start_main2_~b~0#1| (_ bv24 32))) (_ bv24 32))) |ULTIMATE.start_main2_~r_add~0#1|)) .cse0 .cse1 .cse2 .cse3 (not (= (_ bv255 32) (bvlshr |ULTIMATE.start_main2_~b~0#1| (_ bv24 32))))) (and (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32))) (let ((.cse4 (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_main2_~b~0#1|))))) (and (= |ULTIMATE.start_main2_~r_add~0#1| (bvor (bvand (_ bv16777215 32) .cse4) (bvshl (bvlshr |ULTIMATE.start_main2_~b~0#1| (_ bv24 32)) (_ bv24 32)))) (= (bvand (_ bv33554432 32) .cse4) (_ bv0 32))))) .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (let ((.cse12 (not (bvult |ULTIMATE.start_addflt_~__retres10~0#1| |ULTIMATE.start_main2_~b~0#1|))) (.cse13 (not (bvult |ULTIMATE.start_addflt_#res#1| |ULTIMATE.start_main2_~b~0#1|)))) (or (and (not (bvult |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~b~0#1|)) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse12 .cse13 .cse15 .cse18 .cse16 .cse17))) (exists ((|ULTIMATE.start_addflt_~b#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~delta~0#1| (_ BitVec 32)) (|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (= |ULTIMATE.start_addflt_~ma~0#1| (bvadd (bvlshr (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~b#1|)) |ULTIMATE.start_addflt_~delta~0#1|) (bvor (_ bv16777216 32) (bvand (_ bv16777215 32) |ULTIMATE.start_addflt_~a#1|))))) .cse19 .cse20 .cse21) (and .cse0 .cse14 .cse1 .cse2 (= |ULTIMATE.start_addflt_~a#1| |ULTIMATE.start_main2_~a~0#1|) .cse3) (and (= |ULTIMATE.start_main2_~b~0#1| |ULTIMATE.start_main2_~r_add~0#1|) .cse9 .cse11 .cse18 .cse16 .cse22 .cse17 .cse21 (= |ULTIMATE.start_main2_~b~0#1| |ULTIMATE.start_addflt_~__retres10~0#1|) (= |ULTIMATE.start_addflt_#res#1| |ULTIMATE.start_main2_~b~0#1|) .cse23) (and .cse5 .cse24 .cse7 .cse8 .cse9 .cse22 .cse21 .cse23 (or (and .cse14 .cse15 .cse16) (and .cse15 .cse18 .cse16 (not (= |ULTIMATE.start_addflt_~a#1| (_ bv0 32))))))))) [2021-11-20 22:58:20,666 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 59 64) the Hoare annotation is: true [2021-11-20 22:58:20,666 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-11-20 22:58:20,666 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 62) no Hoare annotation was computed. [2021-11-20 22:58:20,666 INFO L858 garLoopResultBuilder]: For program point L60-2(lines 59 64) no Hoare annotation was computed. [2021-11-20 22:58:20,667 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 59 64) no Hoare annotation was computed. [2021-11-20 22:58:20,667 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 61) no Hoare annotation was computed. [2021-11-20 22:58:20,685 INFO L732 BasicCegarLoop]: Path program histogram: [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] [2021-11-20 22:58:20,686 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 22:58:20,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_108,QUANTIFIED] [2021-11-20 22:58:20,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,704 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,704 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,704 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,705 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,705 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,713 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,715 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,715 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_108,QUANTIFIED] [2021-11-20 22:58:20,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,769 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,769 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,769 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,769 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,771 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,781 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,781 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,781 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,781 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,794 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,794 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,794 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,794 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,795 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,795 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,795 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,795 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_102,QUANTIFIED] [2021-11-20 22:58:20,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,810 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,810 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,810 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,810 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,817 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,817 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,817 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,817 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,818 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,818 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,818 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,818 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,819 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,819 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_102,QUANTIFIED] [2021-11-20 22:58:20,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:58:20 BoogieIcfgContainer [2021-11-20 22:58:20,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 22:58:20,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 22:58:20,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 22:58:20,825 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 22:58:20,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:24" (3/4) ... [2021-11-20 22:58:20,828 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 22:58:20,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure base2flt [2021-11-20 22:58:20,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-20 22:58:20,843 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-20 22:58:20,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-20 22:58:20,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 22:58:20,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 22:58:20,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (m == \old(m) || !(\old(m) == 0bv32)) && (!(\old(m) == 0bv32) || __retres4 == 0bv32) [2021-11-20 22:58:20,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(m) == 0bv32) [2021-11-20 22:58:20,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(m) == 0bv32) [2021-11-20 22:58:20,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(m) == 0bv32) [2021-11-20 22:58:20,872 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!~bvult64(a, a) && 1bv32 == sa) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && b == __retres10) || (((((((a == __retres10 && !~bvult64(__retres10, b)) && 1bv32 == sa) && b == b) && !~bvsgt32(sb, 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && a == a)) || (((((((tmp___0 == 1bv32 && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: ma == ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1))))) && 1bv32 == sb) && ((((!~bvult64(__retres10, b) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) || ((((!~bvult64(a, b) && !~bvult64(__retres10, b)) && b == b) && !(b == 0bv32)) && !(a == 0bv32)))) && tmp == 1bv32)) || (((((\exists ULTIMATE.start_addflt_~ea~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (~bvult64(~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1), 32bv32) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1)))) == 0bv32) && ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1)))), ~bvshl32(~bvadd64(128bv32, ULTIMATE.start_addflt_~ea~0#1), 24bv32)) == __retres10) && (((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || ((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32 && ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == __retres10)))) && 1bv32 == sb) || (((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32))) && !~bvult64(a, b)) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, b)))), ~bvshl32(~bvlshr64(b, 24bv32), 24bv32)) == __retres10 && ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, b)))) == 0bv32)) && zero == 0bv32)) || (((((sa == 0bv32 && a == 0bv32) && a == b) && tmp == 0bv32) && b == __retres10) && b == 0bv32)) || ((((a == 0bv32 && !~bvugt32(a, a)) && !~bvugt32(__retres10, a)) && !~bvsgt32(sa, 0bv32)) && b == 0bv32)) || ((((((((((!~bvult64(__retres10, b) && !~bvult64(__retres10, a)) && 1bv32 == sa) && !~bvugt32(__retres10, a)) && b == b) && ma == ~bvor32(16777216bv32, ~bvand64(16777215bv32, a))) && !(b == 0bv32)) && tmp == 1bv32) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1) == mb)) && a == a) && ~bvlshr64(a, 24bv32) == ~bvadd64(128bv32, ea))) || (((((((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || ((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32 && ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == __retres10)))) && 1bv32 == sb) || (((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32)) && b == b) && !~bvult64(a, b)) && a == a) && zero == 0bv32)) || (((((((1bv32 == sa && !~bvsgt32(sb, 0bv32)) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && b == __retres10)) || ((((((((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || ((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32 && ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == __retres10)))) && 1bv32 == sb) || (((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32)) && (\exists v_ULTIMATE.start_addflt_~ma~0#1_102 : bv32 :: ~bvor32(~bvand64(16777215bv32, v_ULTIMATE.start_addflt_~ma~0#1_102), ~bvshl32(~bvadd64(1bv32, ~bvlshr64(b, 24bv32)), 24bv32)) == __retres10)) && !~bvult64(a, b)) && ~bvadd64(127bv32, ea) == ~bvlshr64(b, 24bv32)) && zero == 0bv32) && ~bvult64(~bvadd64(4294967295bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ea), 32bv32)) [2021-11-20 22:58:20,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((~bvult64(~bvadd64(4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ~bvlshr64(b, 24bv32)), 32bv32) && !~bvult64(a, b)) && (\exists v_ULTIMATE.start_addflt_~ma~0#1_108 : bv32 :: \result == ~bvor32(~bvand64(16777215bv32, v_ULTIMATE.start_addflt_~ma~0#1_108), ~bvshl32(~bvadd64(1bv32, ~bvlshr64(b, 24bv32)), 24bv32)))) && zero == 0bv32) && (((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == \result && ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32) && \result == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)))) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32))) && 1bv32 == sb) || ((((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(\result, a)) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32))) || ((((((sa == 0bv32 && a == 0bv32) && a == b) && tmp == 0bv32) && b == __retres10) && \result == b) && b == 0bv32)) || ((((((((!~bvult64(\result, a) && tmp___0 == 1bv32) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && (((((!~bvult64(__retres10, b) && !~bvult64(\result, b)) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) || (((((!~bvult64(a, b) && !~bvult64(__retres10, b)) && !~bvult64(\result, b)) && b == b) && !(b == 0bv32)) && !(a == 0bv32)))) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: ma == ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1))))) && 1bv32 == sb) && tmp == 1bv32)) || (((((!~bvugt32(\result, a) && a == 0bv32) && !~bvugt32(a, a)) && !~bvugt32(__retres10, a)) && !~bvsgt32(sa, 0bv32)) && b == 0bv32)) || ((((b == b && !~bvult64(a, b)) && a == a) && zero == 0bv32) && (((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == \result && ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32) && \result == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)))) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32))) && 1bv32 == sb) || ((((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(\result, a)) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32)))) || ((((((((1bv32 == sa && !~bvsgt32(sb, 0bv32)) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && b == __retres10) && \result == b)) || ((((!~bvult64(a, b) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: \result == ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, b)))), ~bvshl32(~bvlshr64(b, 24bv32), 24bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, b)))) == 0bv32)) && (\exists ULTIMATE.start_addflt_~ea~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (~bvult64(~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1), 32bv32) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1)))) == 0bv32) && ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1)))), ~bvshl32(~bvadd64(128bv32, ULTIMATE.start_addflt_~ea~0#1), 24bv32)) == \result)) && zero == 0bv32) && (((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == \result && ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32) && \result == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)))) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32))) && 1bv32 == sb) || ((((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(\result, a)) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32)))) || (((((((((((!~bvult64(\result, b) && !~bvult64(__retres10, a)) && 1bv32 == sa) && !~bvugt32(__retres10, a)) && b == b) && ma == ~bvor32(16777216bv32, ~bvand64(16777215bv32, a))) && !(b == 0bv32)) && tmp == 1bv32) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1) == mb)) && a == a) && \result == a) && ~bvlshr64(a, 24bv32) == ~bvadd64(128bv32, ea))) || (((((((!~bvult64(a, a) && 1bv32 == sa) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && b == __retres10) && \result == b)) || ((((((((a == __retres10 && !~bvult64(\result, b)) && 1bv32 == sa) && b == b) && !~bvsgt32(sb, 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && a == a) && \result == a) [2021-11-20 22:58:20,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((a == r_add && !~bvult64(a, a)) && b == b) && !~bvult64(r_add, b)) || ((b == r_add && (!(b == 0bv32) || !(a == 0bv32))) && a == b)) || ((((a == r_add && !~bvult64(a, a)) && 1bv32 == sa) && tmp == 1bv32) && ((!~bvult64(a, b) && b == b) || a == b))) || ((((((!~bvugt32(\result, a) && a == 0bv32) && !~bvugt32(a, a)) && !~bvugt32(__retres10, a)) && !~bvugt32(r_add, a)) && !~bvsgt32(sa, 0bv32)) && b == 0bv32)) || ((((!~bvult64(a, b) && b == r_add) && 1bv32 == sa) && b == b) && tmp == 1bv32)) || (((!~bvult64(a, b) && b == r_add) && b == b) && (!(b == 0bv32) || !(a == 0bv32))) [2021-11-20 22:58:20,898 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 22:58:20,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 22:58:20,899 INFO L158 Benchmark]: Toolchain (without parser) took 780179.10ms. Allocated memory was 56.6MB in the beginning and 237.0MB in the end (delta: 180.4MB). Free memory was 34.9MB in the beginning and 167.8MB in the end (delta: -132.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2021-11-20 22:58:20,899 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 22:58:20,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.50ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.7MB in the beginning and 48.2MB in the end (delta: -13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 22:58:20,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.23ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 46.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 22:58:20,901 INFO L158 Benchmark]: Boogie Preprocessor took 85.70ms. Allocated memory is still 69.2MB. Free memory was 46.0MB in the beginning and 44.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 22:58:20,901 INFO L158 Benchmark]: RCFGBuilder took 2818.10ms. Allocated memory is still 69.2MB. Free memory was 44.0MB in the beginning and 45.7MB in the end (delta: -1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 22:58:20,901 INFO L158 Benchmark]: TraceAbstraction took 776612.17ms. Allocated memory was 69.2MB in the beginning and 237.0MB in the end (delta: 167.8MB). Free memory was 45.2MB in the beginning and 174.1MB in the end (delta: -128.9MB). Peak memory consumption was 135.9MB. Max. memory is 16.1GB. [2021-11-20 22:58:20,901 INFO L158 Benchmark]: Witness Printer took 74.03ms. Allocated memory is still 237.0MB. Free memory was 174.1MB in the beginning and 167.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 22:58:20,903 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.50ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.7MB in the beginning and 48.2MB in the end (delta: -13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.23ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 46.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.70ms. Allocated memory is still 69.2MB. Free memory was 46.0MB in the beginning and 44.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2818.10ms. Allocated memory is still 69.2MB. Free memory was 44.0MB in the beginning and 45.7MB in the end (delta: -1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 776612.17ms. Allocated memory was 69.2MB in the beginning and 237.0MB in the end (delta: 167.8MB). Free memory was 45.2MB in the beginning and 174.1MB in the end (delta: -128.9MB). Peak memory consumption was 135.9MB. Max. memory is 16.1GB. * Witness Printer took 74.03ms. Allocated memory is still 237.0MB. Free memory was 174.1MB in the beginning and 167.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_108,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_108,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_102,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_102,QUANTIFIED] * 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: 48]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 61]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 776.4s, OverallIterations: 33, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 74.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 400.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3357 SdHoareTripleChecker+Valid, 20.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3290 mSDsluCounter, 20717 SdHoareTripleChecker+Invalid, 18.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2330 IncrementalHoareTripleChecker+Unchecked, 17187 mSDsCounter, 507 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3466 IncrementalHoareTripleChecker+Invalid, 6303 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 507 mSolverCounterUnsat, 3530 mSDtfsCounter, 3466 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4306 GetRequests, 3821 SyntacticMatches, 8 SemanticMatches, 477 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 1553 ImplicationChecksByTransitivity, 135.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=337occurred in iteration=15, InterpolantAutomatonStates: 339, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 33 MinimizatonAttempts, 1811 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 210 PreInvPairs, 304 NumberOfFragments, 4744 HoareAnnotationTreeSize, 210 FomulaSimplifications, 7411626 FormulaSimplificationTreeSizeReduction, 197.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 1923537 FormulaSimplificationTreeSizeReductionInter, 203.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 16.1s SatisfiabilityAnalysisTime, 274.3s InterpolantComputationTime, 2127 NumberOfCodeBlocks, 2109 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 4176 ConstructedInterpolants, 241 QuantifiedInterpolants, 14673 SizeOfPredicates, 274 NumberOfNonLiveVariables, 3802 ConjunctsInSsa, 341 ConjunctsInUnsatCore, 78 InterpolantComputations, 60 PerfectInterpolantSequences, 1497/1590 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 127]: Loop Invariant [2021-11-20 22:58:20,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_108,QUANTIFIED] [2021-11-20 22:58:20,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,944 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,944 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,944 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,944 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,944 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,945 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,945 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,945 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,945 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,947 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,947 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,951 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_108,QUANTIFIED] [2021-11-20 22:58:20,951 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,952 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,952 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,952 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,952 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,963 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,963 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,963 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,963 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] Derived loop invariant: ((((((((((((~bvult64(~bvadd64(4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ~bvlshr64(b, 24bv32)), 32bv32) && !~bvult64(a, b)) && (\exists v_ULTIMATE.start_addflt_~ma~0#1_108 : bv32 :: \result == ~bvor32(~bvand64(16777215bv32, v_ULTIMATE.start_addflt_~ma~0#1_108), ~bvshl32(~bvadd64(1bv32, ~bvlshr64(b, 24bv32)), 24bv32)))) && zero == 0bv32) && (((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == \result && ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32) && \result == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)))) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32))) && 1bv32 == sb) || ((((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(\result, a)) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32))) || ((((((sa == 0bv32 && a == 0bv32) && a == b) && tmp == 0bv32) && b == __retres10) && \result == b) && b == 0bv32)) || ((((((((!~bvult64(\result, a) && tmp___0 == 1bv32) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && (((((!~bvult64(__retres10, b) && !~bvult64(\result, b)) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) || (((((!~bvult64(a, b) && !~bvult64(__retres10, b)) && !~bvult64(\result, b)) && b == b) && !(b == 0bv32)) && !(a == 0bv32)))) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: ma == ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1))))) && 1bv32 == sb) && tmp == 1bv32)) || (((((!~bvugt32(\result, a) && a == 0bv32) && !~bvugt32(a, a)) && !~bvugt32(__retres10, a)) && !~bvsgt32(sa, 0bv32)) && b == 0bv32)) || ((((b == b && !~bvult64(a, b)) && a == a) && zero == 0bv32) && (((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == \result && ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32) && \result == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)))) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32))) && 1bv32 == sb) || ((((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(\result, a)) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32)))) || ((((((((1bv32 == sa && !~bvsgt32(sb, 0bv32)) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && b == __retres10) && \result == b)) || ((((!~bvult64(a, b) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: \result == ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, b)))), ~bvshl32(~bvlshr64(b, 24bv32), 24bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, b)))) == 0bv32)) && (\exists ULTIMATE.start_addflt_~ea~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (~bvult64(~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1), 32bv32) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1)))) == 0bv32) && ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1)))), ~bvshl32(~bvadd64(128bv32, ULTIMATE.start_addflt_~ea~0#1), 24bv32)) == \result)) && zero == 0bv32) && (((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == \result && ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32) && \result == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)))) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32))) && 1bv32 == sb) || ((((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(\result, a)) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32)))) || (((((((((((!~bvult64(\result, b) && !~bvult64(__retres10, a)) && 1bv32 == sa) && !~bvugt32(__retres10, a)) && b == b) && ma == ~bvor32(16777216bv32, ~bvand64(16777215bv32, a))) && !(b == 0bv32)) && tmp == 1bv32) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1) == mb)) && a == a) && \result == a) && ~bvlshr64(a, 24bv32) == ~bvadd64(128bv32, ea))) || (((((((!~bvult64(a, a) && 1bv32 == sa) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && b == __retres10) && \result == b)) || ((((((((a == __retres10 && !~bvult64(\result, b)) && 1bv32 == sa) && b == b) && !~bvsgt32(sb, 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && a == a) && \result == a) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: !(\old(m) == 0bv32) - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: !(\old(m) == 0bv32) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (m == \old(m) || !(\old(m) == 0bv32)) && (!(\old(m) == 0bv32) || __retres4 == 0bv32) - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: !(\old(m) == 0bv32) - InvariantResult [Line: 137]: Loop Invariant [2021-11-20 22:58:20,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,971 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,971 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,971 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,971 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,971 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,972 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,972 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,972 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,972 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,974 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,974 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,974 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,974 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,974 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,974 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,975 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,975 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,975 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,975 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,976 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,976 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,976 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,976 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,976 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,977 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,977 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,977 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,977 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,977 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,978 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,978 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,978 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,978 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,979 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_102,QUANTIFIED] [2021-11-20 22:58:20,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,982 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,982 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,982 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,982 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,983 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,983 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ea~0#1,QUANTIFIED] [2021-11-20 22:58:20,983 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,983 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,983 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,984 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,984 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,984 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,984 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,985 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,985 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,985 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,985 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,985 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,986 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,986 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,986 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,986 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,986 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,987 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,987 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,987 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,987 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~a#1,QUANTIFIED] [2021-11-20 22:58:20,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~b#1,QUANTIFIED] [2021-11-20 22:58:20,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~delta~0#1,QUANTIFIED] [2021-11-20 22:58:20,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_addflt_~ma~0#1,QUANTIFIED] [2021-11-20 22:58:20,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_addflt_~ma~0#1_102,QUANTIFIED] Derived loop invariant: ((((((((((((((!~bvult64(a, a) && 1bv32 == sa) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && b == __retres10) || (((((((a == __retres10 && !~bvult64(__retres10, b)) && 1bv32 == sa) && b == b) && !~bvsgt32(sb, 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && a == a)) || (((((((tmp___0 == 1bv32 && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: ma == ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1))))) && 1bv32 == sb) && ((((!~bvult64(__retres10, b) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) || ((((!~bvult64(a, b) && !~bvult64(__retres10, b)) && b == b) && !(b == 0bv32)) && !(a == 0bv32)))) && tmp == 1bv32)) || (((((\exists ULTIMATE.start_addflt_~ea~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (~bvult64(~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1), 32bv32) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1)))) == 0bv32) && ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ULTIMATE.start_addflt_~ea~0#1)))), ~bvshl32(~bvadd64(128bv32, ULTIMATE.start_addflt_~ea~0#1), 24bv32)) == __retres10) && (((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || ((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32 && ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == __retres10)))) && 1bv32 == sb) || (((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32))) && !~bvult64(a, b)) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, b)))), ~bvshl32(~bvlshr64(b, 24bv32), 24bv32)) == __retres10 && ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, b)))) == 0bv32)) && zero == 0bv32)) || (((((sa == 0bv32 && a == 0bv32) && a == b) && tmp == 0bv32) && b == __retres10) && b == 0bv32)) || ((((a == 0bv32 && !~bvugt32(a, a)) && !~bvugt32(__retres10, a)) && !~bvsgt32(sa, 0bv32)) && b == 0bv32)) || ((((((((((!~bvult64(__retres10, b) && !~bvult64(__retres10, a)) && 1bv32 == sa) && !~bvugt32(__retres10, a)) && b == b) && ma == ~bvor32(16777216bv32, ~bvand64(16777215bv32, a))) && !(b == 0bv32)) && tmp == 1bv32) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1) == mb)) && a == a) && ~bvlshr64(a, 24bv32) == ~bvadd64(128bv32, ea))) || (((((((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || ((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32 && ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == __retres10)))) && 1bv32 == sb) || (((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32)) && b == b) && !~bvult64(a, b)) && a == a) && zero == 0bv32)) || (((((((1bv32 == sa && !~bvsgt32(sb, 0bv32)) && a == b) && !(b == 0bv32)) && !(a == 0bv32)) && !(a == 0bv32)) && tmp == 1bv32) && b == __retres10)) || ((((((((tmp___0 == 1bv32 && (((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && (\exists ULTIMATE.start_addflt_~ma~0#1 : bv32, ULTIMATE.start_addflt_~a#1 : bv32 :: (__retres10 == ~bvor32(ULTIMATE.start_addflt_~ma~0#1, ~bvshl32(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 24bv32)) && ~bvult64(~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32))), 32bv32)) && ~bvand64(33554432bv32, ~bvadd64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~a#1)), ~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, a)), ~bvadd64(~bvlshr64(ULTIMATE.start_addflt_~a#1, 24bv32), 4294967168bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)))))) == 0bv32)) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) || ((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && tmp == 1bv32) && (\exists ULTIMATE.start_addflt_~b#1 : bv32, ULTIMATE.start_addflt_~delta~0#1 : bv32 :: ~bvand64(33554432bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))) == 0bv32 && ~bvor32(~bvand64(16777215bv32, ~bvadd64(~bvlshr64(~bvor32(16777216bv32, ~bvand64(16777215bv32, ULTIMATE.start_addflt_~b#1)), ULTIMATE.start_addflt_~delta~0#1), ~bvor32(16777216bv32, ~bvand64(16777215bv32, a)))), ~bvshl32(~bvlshr64(a, 24bv32), 24bv32)) == __retres10)))) && 1bv32 == sb) || (((((((((((a == b && !(b == 0bv32)) && !(a == 0bv32)) || (((!~bvult64(a, b) && b == b) && !(b == 0bv32)) && !(a == 0bv32))) && tmp___0 == 1bv32) && (forall ULTIMATE.start_addflt_~ma~0#1 : bv32 :: !~bvult64(~bvor32(~bvand64(16777215bv32, ULTIMATE.start_addflt_~ma~0#1), ~bvshl32(~bvadd64(128bv32, ea), 24bv32)), a))) && !~bvult64(__retres10, a)) && !~bvult64(a, a)) && 1bv32 == sa) && ~bvult64(ma, 33554432bv32)) && 1bv32 == sb) && tmp == 1bv32)) && (\exists v_ULTIMATE.start_addflt_~ma~0#1_102 : bv32 :: ~bvor32(~bvand64(16777215bv32, v_ULTIMATE.start_addflt_~ma~0#1_102), ~bvshl32(~bvadd64(1bv32, ~bvlshr64(b, 24bv32)), 24bv32)) == __retres10)) && !~bvult64(a, b)) && ~bvadd64(127bv32, ea) == ~bvlshr64(b, 24bv32)) && zero == 0bv32) && ~bvult64(~bvadd64(4294967295bv32, ~bvneg32(~bvadd64(~bvlshr64(a, 24bv32), 4294967168bv32)), ea), 32bv32)) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (((((((a == r_add && !~bvult64(a, a)) && b == b) && !~bvult64(r_add, b)) || ((b == r_add && (!(b == 0bv32) || !(a == 0bv32))) && a == b)) || ((((a == r_add && !~bvult64(a, a)) && 1bv32 == sa) && tmp == 1bv32) && ((!~bvult64(a, b) && b == b) || a == b))) || ((((((!~bvugt32(\result, a) && a == 0bv32) && !~bvugt32(a, a)) && !~bvugt32(__retres10, a)) && !~bvugt32(r_add, a)) && !~bvsgt32(sa, 0bv32)) && b == 0bv32)) || ((((!~bvult64(a, b) && b == r_add) && 1bv32 == sa) && b == b) && tmp == 1bv32)) || (((!~bvult64(a, b) && b == r_add) && b == b) && (!(b == 0bv32) || !(a == 0bv32))) RESULT: Ultimate proved your program to be correct! [2021-11-20 22:58:21,199 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 22:58:21,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1763edb-57e8-44c6-927f-02d7b04e5c4c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE