./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/pcomp.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_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/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_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/pcomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/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_2789a3d6-8725-41f9-b664-324cf276bc2e/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 1472da9c0a8f011e4f758f37d66a1227b497d4a96142a431b3f2f304a275b1b7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:12:38,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:12:38,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:12:38,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:12:38,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:12:38,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:12:38,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:12:38,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:12:38,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:12:38,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:12:38,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:12:38,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:12:38,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:12:38,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:12:38,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:12:38,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:12:38,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:12:38,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:12:38,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:12:38,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:12:38,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:12:38,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:12:38,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:12:38,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:12:38,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:12:38,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:12:38,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:12:38,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:12:38,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:12:38,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:12:38,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:12:38,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:12:38,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:12:38,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:12:38,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:12:38,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:12:38,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:12:38,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:12:38,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:12:38,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:12:38,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:12:38,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:12:38,753 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:12:38,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:12:38,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:12:38,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:12:38,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:12:38,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:12:38,759 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:12:38,759 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:12:38,759 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:12:38,760 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:12:38,761 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:12:38,761 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:12:38,761 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:12:38,761 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:12:38,761 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:12:38,762 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:12:38,762 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:12:38,762 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:12:38,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:12:38,763 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:12:38,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:12:38,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:12:38,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:12:38,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:12:38,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:12:38,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:12:38,764 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:12:38,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:12:38,765 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:12:38,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:12:38,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:12:38,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:12:38,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:12:38,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:12:38,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:12:38,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:12:38,767 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:12:38,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:12:38,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:12:38,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:12:38,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:12:38,768 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_2789a3d6-8725-41f9-b664-324cf276bc2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1472da9c0a8f011e4f758f37d66a1227b497d4a96142a431b3f2f304a275b1b7 [2021-11-20 23:12:39,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:12:39,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:12:39,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:12:39,126 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:12:39,127 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:12:39,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/array-fpi/pcomp.c [2021-11-20 23:12:39,193 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/data/83a670d1d/540ec9334c0c45a287059260ca34ff2e/FLAGeee4a6a32 [2021-11-20 23:12:39,716 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:12:39,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/sv-benchmarks/c/array-fpi/pcomp.c [2021-11-20 23:12:39,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/data/83a670d1d/540ec9334c0c45a287059260ca34ff2e/FLAGeee4a6a32 [2021-11-20 23:12:40,064 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/data/83a670d1d/540ec9334c0c45a287059260ca34ff2e [2021-11-20 23:12:40,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:12:40,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:12:40,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:40,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:12:40,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:12:40,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20af39c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40, skipping insertion in model container [2021-11-20 23:12:40,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:12:40,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:12:40,312 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_2789a3d6-8725-41f9-b664-324cf276bc2e/sv-benchmarks/c/array-fpi/pcomp.c[588,601] [2021-11-20 23:12:40,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:12:40,343 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:12:40,357 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_2789a3d6-8725-41f9-b664-324cf276bc2e/sv-benchmarks/c/array-fpi/pcomp.c[588,601] [2021-11-20 23:12:40,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:12:40,410 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:12:40,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40 WrapperNode [2021-11-20 23:12:40,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:40,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:12:40,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:12:40,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:12:40,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,473 INFO L137 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2021-11-20 23:12:40,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:12:40,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:12:40,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:12:40,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:12:40,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:12:40,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:12:40,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:12:40,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:12:40,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40" (1/1) ... [2021-11-20 23:12:40,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:12:40,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:12:40,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:12:40,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:12:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:12:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:12:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:12:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:12:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:12:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:12:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:12:40,706 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:12:40,708 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:12:40,969 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:12:41,032 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:12:41,032 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 23:12:41,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:12:41 BoogieIcfgContainer [2021-11-20 23:12:41,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:12:41,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:12:41,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:12:41,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:12:41,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:12:40" (1/3) ... [2021-11-20 23:12:41,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b09bce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:12:41, skipping insertion in model container [2021-11-20 23:12:41,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:40" (2/3) ... [2021-11-20 23:12:41,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b09bce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:12:41, skipping insertion in model container [2021-11-20 23:12:41,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:12:41" (3/3) ... [2021-11-20 23:12:41,063 INFO L111 eAbstractionObserver]: Analyzing ICFG pcomp.c [2021-11-20 23:12:41,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:12:41,069 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:12:41,136 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:12:41,147 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 23:12:41,148 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:12:41,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 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 23:12:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 23:12:41,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:12:41,177 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:12:41,178 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:12:41,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:12:41,187 INFO L85 PathProgramCache]: Analyzing trace with hash 697271499, now seen corresponding path program 1 times [2021-11-20 23:12:41,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:12:41,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560967366] [2021-11-20 23:12:41,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:12:41,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:12:41,333 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:12:41,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139746351] [2021-11-20 23:12:41,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:12:41,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:12:41,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:12:41,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:12:41,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:12:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:12:41,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:12:41,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:12:41,606 INFO L354 Elim1Store]: treesize reduction 55, result has 40.9 percent of original size [2021-11-20 23:12:41,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 45 [2021-11-20 23:12:41,813 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 23:12:41,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:12:41,813 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:12:41,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560967366] [2021-11-20 23:12:41,814 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:12:41,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139746351] [2021-11-20 23:12:41,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139746351] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:12:41,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:12:41,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:12:41,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467304174] [2021-11-20 23:12:41,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:12:41,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:12:41,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:12:41,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:12:41,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:12:41,852 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 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) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 23:12:41,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:12:41,989 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2021-11-20 23:12:41,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:12:41,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 8 [2021-11-20 23:12:41,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:12:41,999 INFO L225 Difference]: With dead ends: 37 [2021-11-20 23:12:41,999 INFO L226 Difference]: Without dead ends: 22 [2021-11-20 23:12:42,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:12:42,005 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 17 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:12:42,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 19 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:12:42,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-20 23:12:42,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2021-11-20 23:12:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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 23:12:42,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2021-11-20 23:12:42,058 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 21 transitions. Word has length 8 [2021-11-20 23:12:42,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:12:42,059 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-11-20 23:12:42,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 23:12:42,059 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2021-11-20 23:12:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 23:12:42,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:12:42,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:12:42,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:12:42,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 23:12:42,271 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:12:42,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:12:42,272 INFO L85 PathProgramCache]: Analyzing trace with hash 131371694, now seen corresponding path program 1 times [2021-11-20 23:12:42,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:12:42,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809660153] [2021-11-20 23:12:42,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:12:42,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:12:42,303 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:12:42,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [585692766] [2021-11-20 23:12:42,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:12:42,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:12:42,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:12:42,307 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:12:42,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:12:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:12:42,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 23:12:42,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:12:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:12:42,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:12:42,401 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:12:42,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809660153] [2021-11-20 23:12:42,402 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:12:42,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585692766] [2021-11-20 23:12:42,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585692766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:12:42,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:12:42,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:12:42,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017839638] [2021-11-20 23:12:42,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:12:42,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:12:42,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:12:42,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:12:42,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:12:42,405 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 23:12:42,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:12:42,493 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2021-11-20 23:12:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:12:42,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2021-11-20 23:12:42,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:12:42,494 INFO L225 Difference]: With dead ends: 36 [2021-11-20 23:12:42,495 INFO L226 Difference]: Without dead ends: 29 [2021-11-20 23:12:42,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:12:42,497 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 13 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:12:42,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 12 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:12:42,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-20 23:12:42,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 17. [2021-11-20 23:12:42,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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 23:12:42,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-11-20 23:12:42,504 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 9 [2021-11-20 23:12:42,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:12:42,504 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-20 23:12:42,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 23:12:42,504 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-20 23:12:42,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 23:12:42,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:12:42,505 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:12:42,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:12:42,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-20 23:12:42,720 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:12:42,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:12:42,721 INFO L85 PathProgramCache]: Analyzing trace with hash -197136011, now seen corresponding path program 1 times [2021-11-20 23:12:42,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:12:42,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494268681] [2021-11-20 23:12:42,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:12:42,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:12:42,767 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:12:42,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937185303] [2021-11-20 23:12:42,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:12:42,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:12:42,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:12:42,772 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:12:42,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:12:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:12:42,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 23:12:42,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:12:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:12:42,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:12:42,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:12:42,965 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:12:42,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494268681] [2021-11-20 23:12:42,965 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:12:42,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937185303] [2021-11-20 23:12:42,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937185303] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:12:42,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [67156458] [2021-11-20 23:12:42,989 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-20 23:12:42,989 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:12:42,994 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:12:43,000 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:12:43,001 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:12:43,319 INFO L354 Elim1Store]: treesize reduction 185, result has 24.5 percent of original size [2021-11-20 23:12:43,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 76 [2021-11-20 23:12:43,604 INFO L354 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2021-11-20 23:12:43,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2021-11-20 23:12:43,982 INFO L354 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2021-11-20 23:12:43,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2021-11-20 23:12:44,119 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-20 23:12:44,124 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-20 23:12:44,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:12:44,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:12:44,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:12:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,468 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:12:44,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 228 treesize of output 334 [2021-11-20 23:12:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 67 [2021-11-20 23:12:44,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 64 [2021-11-20 23:12:44,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 84 [2021-11-20 23:12:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:44,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:12:44,898 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:12:44,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:12:45,374 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:12:45,739 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:12:45,740 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:12:45,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-11-20 23:12:45,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607612233] [2021-11-20 23:12:45,740 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:12:45,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:12:45,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:12:45,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:12:45,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:12:45,742 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 23:12:45,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:12:45,856 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2021-11-20 23:12:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 23:12:45,857 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 9 [2021-11-20 23:12:45,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:12:45,858 INFO L225 Difference]: With dead ends: 33 [2021-11-20 23:12:45,858 INFO L226 Difference]: Without dead ends: 27 [2021-11-20 23:12:45,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-11-20 23:12:45,860 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:12:45,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 22 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:12:45,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-20 23:12:45,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2021-11-20 23:12:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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 23:12:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-11-20 23:12:45,873 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 9 [2021-11-20 23:12:45,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:12:45,874 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-20 23:12:45,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 23:12:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-20 23:12:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 23:12:45,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:12:45,876 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:12:45,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:12:46,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:12:46,083 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:12:46,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:12:46,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1958511373, now seen corresponding path program 1 times [2021-11-20 23:12:46,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:12:46,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494266662] [2021-11-20 23:12:46,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:12:46,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:12:46,109 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:12:46,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252348161] [2021-11-20 23:12:46,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:12:46,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:12:46,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:12:46,118 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:12:46,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:12:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:12:46,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:12:46,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:12:46,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:12:46,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:12:46,246 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:12:46,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494266662] [2021-11-20 23:12:46,249 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:12:46,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252348161] [2021-11-20 23:12:46,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252348161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:12:46,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:12:46,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 23:12:46,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806499973] [2021-11-20 23:12:46,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:12:46,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:12:46,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:12:46,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:12:46,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:12:46,253 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 23:12:46,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:12:46,347 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2021-11-20 23:12:46,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:12:46,348 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 11 [2021-11-20 23:12:46,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:12:46,348 INFO L225 Difference]: With dead ends: 29 [2021-11-20 23:12:46,348 INFO L226 Difference]: Without dead ends: 18 [2021-11-20 23:12:46,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:12:46,350 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:12:46,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 15 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:12:46,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-20 23:12:46,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2021-11-20 23:12:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 23:12:46,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-20 23:12:46,354 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 11 [2021-11-20 23:12:46,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:12:46,356 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-20 23:12:46,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 23:12:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-20 23:12:46,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 23:12:46,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:12:46,358 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:12:46,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:12:46,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:12:46,573 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:12:46,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:12:46,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1012980313, now seen corresponding path program 1 times [2021-11-20 23:12:46,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:12:46,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312704230] [2021-11-20 23:12:46,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:12:46,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:12:46,601 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:12:46,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [903478266] [2021-11-20 23:12:46,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:12:46,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:12:46,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:12:46,602 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:12:46,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 23:12:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:12:46,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 23:12:46,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:12:46,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-20 23:12:46,733 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-20 23:12:46,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 30 [2021-11-20 23:12:46,811 INFO L354 Elim1Store]: treesize reduction 54, result has 31.6 percent of original size [2021-11-20 23:12:46,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 60 [2021-11-20 23:12:47,064 INFO L354 Elim1Store]: treesize reduction 132, result has 24.1 percent of original size [2021-11-20 23:12:47,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 82 treesize of output 96 [2021-11-20 23:12:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:12:51,935 INFO L354 Elim1Store]: treesize reduction 260, result has 11.3 percent of original size [2021-11-20 23:12:51,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 139 treesize of output 118 [2021-11-20 23:13:02,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:13:02,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:13:04,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:13:04,830 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:04,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312704230] [2021-11-20 23:13:04,830 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:13:04,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903478266] [2021-11-20 23:13:04,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903478266] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:13:04,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [563485238] [2021-11-20 23:13:04,833 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-20 23:13:04,833 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:13:04,834 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:13:04,834 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:13:04,834 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:13:05,072 INFO L354 Elim1Store]: treesize reduction 185, result has 24.5 percent of original size [2021-11-20 23:13:05,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 76 [2021-11-20 23:13:05,243 INFO L354 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2021-11-20 23:13:05,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2021-11-20 23:13:05,493 INFO L354 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2021-11-20 23:13:05,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2021-11-20 23:13:05,614 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-20 23:13:05,616 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-20 23:13:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:13:05,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:05,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:05,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,867 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:13:05,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 228 treesize of output 334 [2021-11-20 23:13:05,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:05,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 64 [2021-11-20 23:13:06,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 65 [2021-11-20 23:13:06,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,057 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:13:06,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 183 treesize of output 110 [2021-11-20 23:13:06,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:06,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:13:06,359 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:06,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:06,384 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:06,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:13:06,396 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:06,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:06,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:06,604 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:06,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 287 treesize of output 515 [2021-11-20 23:13:06,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:06,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:06,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:06,820 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:06,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 265 treesize of output 154 [2021-11-20 23:13:06,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:06,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:06,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:06,968 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:06,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 306 treesize of output 183 [2021-11-20 23:13:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:07,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:07,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:07,694 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:07,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 901 treesize of output 654 [2021-11-20 23:13:07,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:07,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:07,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:07,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,753 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:07,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 688 treesize of output 466 [2021-11-20 23:13:07,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:07,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:07,941 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:07,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:13:07,957 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:08,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,135 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:08,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:13:08,145 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:08,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,331 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:08,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 287 treesize of output 515 [2021-11-20 23:13:08,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,541 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:08,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 228 treesize of output 142 [2021-11-20 23:13:08,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:08,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,708 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:08,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 292 treesize of output 179 [2021-11-20 23:13:08,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,762 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:08,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 260 treesize of output 161 [2021-11-20 23:13:08,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:08,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:08,889 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:08,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:13:08,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:09,210 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:13:09,572 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:13:09,572 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:13:09,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-11-20 23:13:09,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681151767] [2021-11-20 23:13:09,572 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:13:09,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 23:13:09,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:13:09,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 23:13:09,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=350, Unknown=1, NotChecked=0, Total=420 [2021-11-20 23:13:09,574 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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 23:13:20,839 WARN L227 SmtUtils]: Spent 8.63s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:13:34,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:13:37,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:13:37,335 INFO L93 Difference]: Finished difference Result 32 states and 42 transitions. [2021-11-20 23:13:37,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 23:13:37,336 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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 11 [2021-11-20 23:13:37,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:13:37,337 INFO L225 Difference]: With dead ends: 32 [2021-11-20 23:13:37,337 INFO L226 Difference]: Without dead ends: 30 [2021-11-20 23:13:37,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 29.5s TimeCoverageRelationStatistics Valid=121, Invalid=525, Unknown=4, NotChecked=0, Total=650 [2021-11-20 23:13:37,339 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:13:37,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 74 Invalid, 1 Unknown, 28 Unchecked, 3.8s Time] [2021-11-20 23:13:37,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-20 23:13:37,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-11-20 23:13:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 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 23:13:37,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-11-20 23:13:37,347 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 33 transitions. Word has length 11 [2021-11-20 23:13:37,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:13:37,348 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-11-20 23:13:37,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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 23:13:37,348 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2021-11-20 23:13:37,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 23:13:37,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:13:37,349 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:13:37,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:13:37,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:37,552 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:13:37,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:13:37,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1328410336, now seen corresponding path program 2 times [2021-11-20 23:13:37,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:13:37,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468767152] [2021-11-20 23:13:37,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:37,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:13:37,594 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:13:37,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1503323890] [2021-11-20 23:13:37,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 23:13:37,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:37,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:37,596 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:13:37,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 23:13:37,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 23:13:37,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 23:13:37,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 23:13:37,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:13:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:13:37,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:13:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:13:37,795 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:37,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468767152] [2021-11-20 23:13:37,795 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:13:37,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503323890] [2021-11-20 23:13:37,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503323890] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:13:37,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [569428998] [2021-11-20 23:13:37,797 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-20 23:13:37,798 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:13:37,798 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:13:37,798 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:13:37,798 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:13:38,108 INFO L354 Elim1Store]: treesize reduction 185, result has 24.5 percent of original size [2021-11-20 23:13:38,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 76 [2021-11-20 23:13:38,484 INFO L354 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2021-11-20 23:13:38,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2021-11-20 23:13:38,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 17 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2021-11-20 23:13:38,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:38,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:38,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:38,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:13:38,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:38,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:38,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,028 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:13:39,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 228 treesize of output 334 [2021-11-20 23:13:39,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 65 [2021-11-20 23:13:39,215 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:39,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 211 treesize of output 111 [2021-11-20 23:13:39,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,380 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:13:39,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 180 treesize of output 94 [2021-11-20 23:13:39,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:13:39,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:39,558 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:39,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:39,757 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:39,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:13:39,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:39,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:39,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:39,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:39,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:39,936 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:39,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 287 treesize of output 515 [2021-11-20 23:13:40,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:40,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:40,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:40,064 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:40,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 366 treesize of output 227 [2021-11-20 23:13:40,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:40,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:40,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:40,276 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:40,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 346 treesize of output 207 [2021-11-20 23:13:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:40,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:40,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,368 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:40,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 352 treesize of output 218 [2021-11-20 23:13:40,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:40,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:40,641 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:40,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:13:40,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:40,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:40,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:40,852 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:40,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:13:40,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:40,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,047 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:41,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 287 treesize of output 515 [2021-11-20 23:13:41,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,278 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:41,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 212 treesize of output 126 [2021-11-20 23:13:41,333 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:41,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,429 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:41,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 352 treesize of output 215 [2021-11-20 23:13:41,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,521 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:41,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 299 treesize of output 176 [2021-11-20 23:13:41,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:41,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:41,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:41,706 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:41,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:13:41,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:42,167 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:13:42,526 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:13:42,527 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:13:42,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-11-20 23:13:42,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103335730] [2021-11-20 23:13:42,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:13:42,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 23:13:42,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:13:42,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 23:13:42,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-11-20 23:13:42,528 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 23:13:42,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:13:42,721 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2021-11-20 23:13:42,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:13:42,723 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 12 [2021-11-20 23:13:42,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:13:42,723 INFO L225 Difference]: With dead ends: 57 [2021-11-20 23:13:42,723 INFO L226 Difference]: Without dead ends: 44 [2021-11-20 23:13:42,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2021-11-20 23:13:42,725 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 17 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:13:42,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 21 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:13:42,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-20 23:13:42,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 27. [2021-11-20 23:13:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 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 23:13:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-11-20 23:13:42,735 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 12 [2021-11-20 23:13:42,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:13:42,735 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-11-20 23:13:42,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 23:13:42,736 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-20 23:13:42,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-20 23:13:42,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:13:42,736 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:13:42,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 23:13:42,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:42,937 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:13:42,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:13:42,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1492408946, now seen corresponding path program 3 times [2021-11-20 23:13:42,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:13:42,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405779819] [2021-11-20 23:13:42,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:42,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:13:42,995 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:13:42,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1095577953] [2021-11-20 23:13:43,010 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 23:13:43,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:43,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:43,011 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:13:43,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 23:13:43,056 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 23:13:43,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 23:13:43,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 23:13:43,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:13:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:13:43,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:13:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:13:43,191 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:43,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405779819] [2021-11-20 23:13:43,191 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:13:43,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095577953] [2021-11-20 23:13:43,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095577953] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:13:43,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [585635759] [2021-11-20 23:13:43,194 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-20 23:13:43,194 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:13:43,195 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:13:43,195 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:13:43,195 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:13:43,548 INFO L354 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2021-11-20 23:13:43,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2021-11-20 23:13:43,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 17 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2021-11-20 23:13:43,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 17 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 46 [2021-11-20 23:13:43,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:43,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:43,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:43,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:43,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:43,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:43,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:43,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 385 [2021-11-20 23:13:44,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 91 [2021-11-20 23:13:44,194 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:44,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2021-11-20 23:13:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 62 [2021-11-20 23:13:44,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:44,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:44,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:44,828 INFO L354 Elim1Store]: treesize reduction 200, result has 0.5 percent of original size [2021-11-20 23:13:44,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 27 case distinctions, treesize of input 577 treesize of output 775 [2021-11-20 23:13:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,098 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:13:45,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 2 case distinctions, treesize of input 169 treesize of output 99 [2021-11-20 23:13:45,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:45,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:45,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:45,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,308 INFO L354 Elim1Store]: treesize reduction 200, result has 0.5 percent of original size [2021-11-20 23:13:45,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 27 case distinctions, treesize of input 645 treesize of output 501 [2021-11-20 23:13:46,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:46,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:46,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:46,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:46,124 INFO L354 Elim1Store]: treesize reduction 200, result has 0.5 percent of original size [2021-11-20 23:13:46,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 491 treesize of output 349 [2021-11-20 23:13:47,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:13:47,139 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:47,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,320 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:47,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2021-11-20 23:13:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,507 INFO L354 Elim1Store]: treesize reduction 234, result has 0.4 percent of original size [2021-11-20 23:13:47,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 268 treesize of output 472 [2021-11-20 23:13:47,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,653 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-20 23:13:47,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 312 treesize of output 183 [2021-11-20 23:13:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:47,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:47,927 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:47,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 331 treesize of output 196 [2021-11-20 23:13:48,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:48,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:48,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:48,784 INFO L354 Elim1Store]: treesize reduction 83, result has 14.4 percent of original size [2021-11-20 23:13:48,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 737 treesize of output 564 [2021-11-20 23:13:48,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:48,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:48,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:48,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:48,893 INFO L354 Elim1Store]: treesize reduction 68, result has 29.9 percent of original size [2021-11-20 23:13:48,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 586 treesize of output 366 [2021-11-20 23:13:49,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:49,489 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:49,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:13:49,511 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:49,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:49,731 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:49,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2021-11-20 23:13:49,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:49,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:49,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:49,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:50,032 INFO L354 Elim1Store]: treesize reduction 234, result has 0.4 percent of original size [2021-11-20 23:13:50,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 268 treesize of output 472 [2021-11-20 23:13:50,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:50,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:50,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:50,528 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-20 23:13:50,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 230 treesize of output 148 [2021-11-20 23:13:50,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:50,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:50,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:50,666 INFO L354 Elim1Store]: treesize reduction 136, result has 0.7 percent of original size [2021-11-20 23:13:50,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 332 treesize of output 195 [2021-11-20 23:13:50,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:50,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:50,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:50,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:50,826 INFO L354 Elim1Store]: treesize reduction 123, result has 10.2 percent of original size [2021-11-20 23:13:50,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 247 treesize of output 152 [2021-11-20 23:13:51,047 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:51,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:51,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:51,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:51,072 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:51,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:13:51,465 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:13:51,791 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:13:51,791 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:13:51,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-11-20 23:13:51,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773261809] [2021-11-20 23:13:51,792 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:13:51,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 23:13:51,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:13:51,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 23:13:51,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-11-20 23:13:51,793 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 23:13:52,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:13:52,051 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2021-11-20 23:13:52,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 23:13:52,051 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 13 [2021-11-20 23:13:52,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:13:52,052 INFO L225 Difference]: With dead ends: 52 [2021-11-20 23:13:52,052 INFO L226 Difference]: Without dead ends: 41 [2021-11-20 23:13:52,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-11-20 23:13:52,053 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 23 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:13:52,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 28 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:13:52,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-20 23:13:52,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 22. [2021-11-20 23:13:52,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 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 23:13:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2021-11-20 23:13:52,059 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 13 [2021-11-20 23:13:52,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:13:52,060 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2021-11-20 23:13:52,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 23:13:52,060 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-11-20 23:13:52,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 23:13:52,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:13:52,060 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:13:52,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 23:13:52,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-20 23:13:52,264 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:13:52,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:13:52,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1261411007, now seen corresponding path program 1 times [2021-11-20 23:13:52,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:13:52,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124017787] [2021-11-20 23:13:52,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:52,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:13:52,286 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:13:52,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1856613935] [2021-11-20 23:13:52,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:52,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:52,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:52,295 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:13:52,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 23:13:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:13:52,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-20 23:13:52,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:13:52,427 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:52,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-20 23:13:52,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 22 [2021-11-20 23:13:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:52,524 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:52,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 42 [2021-11-20 23:13:52,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:52,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:52,673 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-11-20 23:13:52,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 58 treesize of output 54 [2021-11-20 23:13:52,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:52,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:52,827 INFO L354 Elim1Store]: treesize reduction 68, result has 18.1 percent of original size [2021-11-20 23:13:52,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 59 treesize of output 62 [2021-11-20 23:13:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:13:53,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:13:58,125 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:13:58,125 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:58,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124017787] [2021-11-20 23:13:58,125 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:13:58,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856613935] [2021-11-20 23:13:58,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856613935] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:13:58,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [210418318] [2021-11-20 23:13:58,137 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-20 23:13:58,137 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:13:58,137 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:13:58,138 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:13:58,138 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:13:58,406 INFO L354 Elim1Store]: treesize reduction 185, result has 24.5 percent of original size [2021-11-20 23:13:58,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 76 [2021-11-20 23:13:58,772 INFO L354 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2021-11-20 23:13:58,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2021-11-20 23:13:58,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 17 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2021-11-20 23:13:59,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:13:59,018 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:59,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:59,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,231 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:13:59,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 228 treesize of output 334 [2021-11-20 23:13:59,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 65 [2021-11-20 23:13:59,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 66 [2021-11-20 23:13:59,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,400 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:13:59,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 186 treesize of output 87 [2021-11-20 23:13:59,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:13:59,560 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:59,777 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:59,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:13:59,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:13:59,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:59,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:59,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:13:59,945 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:13:59,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 287 treesize of output 515 [2021-11-20 23:14:00,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,097 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:14:00,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 212 treesize of output 126 [2021-11-20 23:14:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,203 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:14:00,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 294 treesize of output 171 [2021-11-20 23:14:00,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,276 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:14:00,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 279 treesize of output 141 [2021-11-20 23:14:00,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,410 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:14:00,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:14:00,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:00,684 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:00,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,701 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:14:00,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:14:00,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:00,876 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:14:00,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 287 treesize of output 515 [2021-11-20 23:14:00,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:00,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:01,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:01,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:01,051 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:14:01,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 328 treesize of output 189 [2021-11-20 23:14:01,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:01,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:01,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:01,191 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:14:01,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 302 treesize of output 192 [2021-11-20 23:14:01,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:01,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:01,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:01,294 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:14:01,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 303 treesize of output 168 [2021-11-20 23:14:01,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:01,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:01,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:01,489 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:14:01,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:14:03,039 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:14:04,104 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:14:04,104 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:14:04,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-11-20 23:14:04,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540641762] [2021-11-20 23:14:04,104 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:14:04,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-20 23:14:04,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:04,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-20 23:14:04,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=518, Unknown=0, NotChecked=0, Total=600 [2021-11-20 23:14:04,105 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 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 23:14:12,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:14:15,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:14:19,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:19,237 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2021-11-20 23:14:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 23:14:19,237 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 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 14 [2021-11-20 23:14:19,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:19,238 INFO L225 Difference]: With dead ends: 32 [2021-11-20 23:14:19,238 INFO L226 Difference]: Without dead ends: 30 [2021-11-20 23:14:19,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=168, Invalid=888, Unknown=0, NotChecked=0, Total=1056 [2021-11-20 23:14:19,239 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:19,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 25 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 84 Invalid, 1 Unknown, 30 Unchecked, 4.8s Time] [2021-11-20 23:14:19,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-20 23:14:19,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2021-11-20 23:14:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 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 23:14:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-11-20 23:14:19,247 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 14 [2021-11-20 23:14:19,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:19,247 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-11-20 23:14:19,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 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 23:14:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-11-20 23:14:19,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 23:14:19,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:19,248 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:14:19,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 23:14:19,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:19,451 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:14:19,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:19,451 INFO L85 PathProgramCache]: Analyzing trace with hash 970754635, now seen corresponding path program 4 times [2021-11-20 23:14:19,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:19,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776160196] [2021-11-20 23:14:19,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:19,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:19,468 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:19,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2016109273] [2021-11-20 23:14:19,469 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-20 23:14:19,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:19,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:19,470 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:19,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 23:14:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:19,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-20 23:14:19,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:19,818 INFO L354 Elim1Store]: treesize reduction 55, result has 40.9 percent of original size [2021-11-20 23:14:19,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 45 [2021-11-20 23:14:19,862 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:14:19,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-20 23:14:20,095 INFO L354 Elim1Store]: treesize reduction 723, result has 13.4 percent of original size [2021-11-20 23:14:20,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 209 treesize of output 310 [2021-11-20 23:14:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:20,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 56 [2021-11-20 23:14:20,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:20,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:20,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:20,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 66 [2021-11-20 23:14:20,255 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-11-20 23:14:20,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 124 treesize of output 70 [2021-11-20 23:14:20,397 INFO L354 Elim1Store]: treesize reduction 60, result has 22.1 percent of original size [2021-11-20 23:14:20,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 56 [2021-11-20 23:14:20,585 INFO L354 Elim1Store]: treesize reduction 55, result has 11.3 percent of original size [2021-11-20 23:14:20,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 79 treesize of output 70 [2021-11-20 23:14:20,778 INFO L354 Elim1Store]: treesize reduction 320, result has 11.6 percent of original size [2021-11-20 23:14:20,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 110 treesize of output 92 [2021-11-20 23:14:21,870 INFO L354 Elim1Store]: treesize reduction 1913, result has 10.1 percent of original size [2021-11-20 23:14:21,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 15 new quantified variables, introduced 64 case distinctions, treesize of input 343 treesize of output 612 [2021-11-20 23:14:22,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:22,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 358 treesize of output 219 [2021-11-20 23:14:22,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:22,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 163 [2021-11-20 23:14:22,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:22,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:22,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 169 [2021-11-20 23:14:23,280 INFO L354 Elim1Store]: treesize reduction 632, result has 9.6 percent of original size [2021-11-20 23:14:23,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 128 treesize of output 120 [2021-11-20 23:14:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:29,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:14:43,515 WARN L227 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 112 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:15:56,337 WARN L227 SmtUtils]: Spent 37.80s on a formula simplification that was a NOOP. DAG size: 163 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:15:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:15:56,350 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:15:56,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776160196] [2021-11-20 23:15:56,351 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:15:56,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016109273] [2021-11-20 23:15:56,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016109273] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:15:56,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1825046194] [2021-11-20 23:15:56,353 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-20 23:15:56,353 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:15:56,353 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:15:56,354 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:15:56,354 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:15:56,638 INFO L354 Elim1Store]: treesize reduction 185, result has 24.5 percent of original size [2021-11-20 23:15:56,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 76 [2021-11-20 23:15:56,978 INFO L354 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2021-11-20 23:15:56,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2021-11-20 23:15:57,380 INFO L354 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2021-11-20 23:15:57,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2021-11-20 23:15:57,566 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-20 23:15:57,567 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-20 23:15:57,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:15:57,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:57,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,795 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:15:57,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 228 treesize of output 334 [2021-11-20 23:15:57,839 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:57,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 67 [2021-11-20 23:15:57,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:57,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 98 [2021-11-20 23:15:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 86 [2021-11-20 23:15:58,187 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:58,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:15:58,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:58,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:58,431 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:15:58,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2021-11-20 23:15:58,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:58,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:58,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:58,575 INFO L354 Elim1Store]: treesize reduction 234, result has 0.4 percent of original size [2021-11-20 23:15:58,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 268 treesize of output 472 [2021-11-20 23:15:58,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:58,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:58,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:58,699 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-20 23:15:58,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 196 treesize of output 126 [2021-11-20 23:15:58,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:58,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:58,986 INFO L354 Elim1Store]: treesize reduction 74, result has 1.3 percent of original size [2021-11-20 23:15:58,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 335 treesize of output 212 [2021-11-20 23:15:59,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,184 INFO L354 Elim1Store]: treesize reduction 123, result has 10.2 percent of original size [2021-11-20 23:15:59,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 241 treesize of output 131 [2021-11-20 23:15:59,374 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:59,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,402 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:15:59,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:15:59,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,604 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:15:59,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2021-11-20 23:15:59,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,862 INFO L354 Elim1Store]: treesize reduction 234, result has 0.4 percent of original size [2021-11-20 23:15:59,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 268 treesize of output 472 [2021-11-20 23:15:59,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,050 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:16:00,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 128 [2021-11-20 23:16:00,148 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:16:00,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,292 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-20 23:16:00,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 115 [2021-11-20 23:16:00,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,502 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-20 23:16:00,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 247 treesize of output 152 [2021-11-20 23:16:00,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,580 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-20 23:16:00,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 277 treesize of output 150 [2021-11-20 23:16:00,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:16:00,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,812 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:16:00,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:16:01,248 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:16:03,148 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:16:03,148 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:16:03,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-11-20 23:16:03,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363922407] [2021-11-20 23:16:03,148 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:16:03,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 23:16:03,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:16:03,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 23:16:03,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=580, Unknown=4, NotChecked=0, Total=702 [2021-11-20 23:16:03,150 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 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 23:16:08,623 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse104 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse105 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse100 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse99 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse114 (* .cse104 8))) (let ((.cse62 (select .cse99 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse114 (- 34359738368)))) (.cse47 (select .cse100 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse114 (- 34359738368)))) (.cse106 (* .cse105 8)) (.cse95 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|)) (.cse55 (select .cse99 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse114))) (.cse56 (select .cse100 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse114)))) (let ((.cse109 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse112 (+ .cse55 .cse56)) (.cse102 (select .cse95 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse114 (- 34359738368)))) (.cse3 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse106 (- 34359738368))) (.cse111 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse106)) (.cse113 (+ .cse62 .cse47))) (let ((.cse60 (store .cse99 .cse111 .cse113)) (.cse63 (store .cse99 .cse3 .cse113)) (.cse108 (+ 6 .cse47)) (.cse103 (+ .cse102 .cse62)) (.cse57 (store .cse99 .cse3 .cse112)) (.cse49 (store .cse99 .cse111 .cse112)) (.cse54 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse106)) (.cse59 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse106 (- 34359738368))) (.cse110 (+ 6 .cse56)) (.cse107 (* .cse109 8))) (let ((.cse52 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse107 (- 34359738368))) (.cse50 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse107)) (.cse14 (store .cse100 .cse59 .cse110)) (.cse31 (< 2147483647 .cse109)) (.cse29 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse107)) (.cse20 (store .cse100 .cse54 .cse110)) (.cse38 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse107 (- 34359738368))) (.cse39 (<= .cse109 2147483647)) (.cse53 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse49)) (.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse57)) (.cse21 (< 2147483647 .cse104)) (.cse1 (store .cse95 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse106) .cse103)) (.cse46 (store .cse100 .cse54 .cse108)) (.cse28 (store .cse100 .cse59 .cse108)) (.cse8 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 16)) (.cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse13 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse107)) (.cse4 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse106 (- 34359738368))) (.cse5 (<= .cse105 2147483647)) (.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse63)) (.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse60)) (.cse0 (< 2147483647 .cse105)) (.cse48 (<= .cse104 2147483647))) (and (or .cse0 (= 0 (select (store .cse1 .cse2 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) .cse3) (select .cse1 .cse4))) |c_ULTIMATE.start_main_~c~0#1.offset|))) (or (and (or .cse5 (= (select (select (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse14))) (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse12 (select .cse6 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse10 (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse7 (store .cse12 .cse13 (+ .cse10 .cse11)))) (store .cse7 .cse8 (+ (select (select (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse10 .cse11))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or .cse0 (= (select (select (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20))) (store .cse15 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse19 (select .cse15 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse17 (select .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse18 (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse16 (store .cse19 .cse13 (+ .cse17 .cse18)))) (store .cse16 .cse8 (+ .cse17 (select (select (store .cse15 |c_ULTIMATE.start_main_~b~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse18))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))) .cse21) (or (let ((.cse30 (+ 12 .cse47))) (and (or .cse5 (and (or (= (select (select (let ((.cse27 (store .cse28 .cse29 .cse30))) (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27))) (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse26 (select .cse22 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse24 (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse25 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse23 (store .cse26 .cse13 (+ .cse24 .cse25)))) (store .cse23 .cse8 (+ .cse24 .cse25 (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| .cse23) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse31) (or (= (select (select (let ((.cse37 (store .cse28 .cse38 .cse30))) (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse37))) (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse36 (select .cse32 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse34 (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse35 (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse33 (store .cse36 .cse13 (+ .cse34 .cse35)))) (store .cse33 .cse8 (+ .cse34 (select (select (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| .cse33) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse35)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse39))) (or (= (select (select (let ((.cse45 (store .cse46 .cse29 .cse30))) (let ((.cse40 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45))) (store .cse40 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse44 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse42 (select .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse43 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse41 (store .cse44 .cse13 (+ .cse42 .cse43)))) (store .cse41 .cse8 (+ (select (select (store .cse40 |c_ULTIMATE.start_main_~b~0#1.base| .cse41) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse42 .cse43)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0))) .cse48) (or (and (or (let ((.cse51 (+ (select (select .cse53 |c_ULTIMATE.start_main_~a~0#1.base|) .cse54) .cse55 .cse56))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse49 .cse50 .cse51)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse31) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse49 .cse52 .cse51)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse39))) .cse0) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse57 .cse52 (+ .cse55 .cse56 (select (select .cse58 |c_ULTIMATE.start_main_~a~0#1.base|) .cse59)))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse5)) .cse21) (or (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse60 .cse50 (+ (select (select .cse61 |c_ULTIMATE.start_main_~a~0#1.base|) .cse54) .cse62 .cse47))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0) (or .cse5 (let ((.cse64 (+ (select (select .cse65 |c_ULTIMATE.start_main_~a~0#1.base|) .cse59) .cse62 .cse47))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse63 .cse52 .cse64)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse39) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse63 .cse50 .cse64)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse31))))) .cse48) (or (let ((.cse72 (+ 12 .cse56))) (and (or .cse5 (= (select (select (let ((.cse71 (store .cse14 .cse38 .cse72))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse71))) (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse70 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse69 (select .cse71 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse67 (store .cse70 .cse13 (+ .cse68 .cse69)))) (store .cse67 .cse8 (+ .cse68 .cse69 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (and (or .cse31 (= (select (select (let ((.cse78 (store .cse20 .cse29 .cse72))) (let ((.cse73 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse78))) (store .cse73 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse77 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse75 (select .cse77 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse76 (select .cse78 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse74 (store .cse77 .cse13 (+ .cse75 .cse76)))) (store .cse74 .cse8 (+ .cse75 (select (select (store .cse73 |c_ULTIMATE.start_main_~b~0#1.base| .cse74) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse76)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (= (select (select (let ((.cse84 (store .cse20 .cse38 .cse72))) (let ((.cse79 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse84))) (store .cse79 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse83 (select .cse79 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse81 (select .cse83 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse82 (select .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse80 (store .cse83 .cse13 (+ .cse81 .cse82)))) (store .cse80 .cse8 (+ (select (select (store .cse79 |c_ULTIMATE.start_main_~b~0#1.base| .cse80) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse81 .cse82)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse39)) .cse0))) .cse21) (or (and (or (= (select (select .cse53 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0) (or (= (select (select .cse58 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse5)) .cse21) (= (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (or (and (or (= (select (select (let ((.cse85 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse46))) (store .cse85 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse89 (select .cse85 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse87 (select .cse89 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse88 (select .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse86 (store .cse89 .cse13 (+ .cse87 .cse88)))) (store .cse86 .cse8 (+ .cse87 (select (select (store .cse85 |c_ULTIMATE.start_main_~b~0#1.base| .cse86) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse88))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0) (or .cse5 (= (select (select (let ((.cse90 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28))) (store .cse90 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse94 (select .cse90 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse92 (select .cse94 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse93 (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse91 (store .cse94 .cse13 (+ .cse92 .cse93)))) (store .cse91 .cse8 (+ .cse92 .cse93 (select (select (store .cse90 |c_ULTIMATE.start_main_~b~0#1.base| .cse91) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))) .cse48) (= 0 (select .cse95 |c_ULTIMATE.start_main_~c~0#1.offset|)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse97 (select .cse100 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse98 (select .cse99 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse96 (store .cse99 .cse13 (+ .cse97 .cse98)))) (store .cse96 .cse8 (+ .cse97 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse96) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse98))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (or .cse5 (= 0 (select (let ((.cse101 (store .cse95 .cse4 .cse103))) (store .cse101 .cse2 (+ .cse102 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse101) |c_ULTIMATE.start_main_~b~0#1.base|) .cse3) .cse62))) |c_ULTIMATE.start_main_~c~0#1.offset|))) (or (and (or .cse5 (= (select (select .cse65 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (= (select (select .cse61 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0)) .cse48)))))))) is different from false [2021-11-20 23:16:10,653 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse104 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse105 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse100 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse99 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse114 (* .cse104 8))) (let ((.cse62 (select .cse99 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse114 (- 34359738368)))) (.cse47 (select .cse100 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse114 (- 34359738368)))) (.cse106 (* .cse105 8)) (.cse95 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|)) (.cse55 (select .cse99 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse114))) (.cse56 (select .cse100 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse114)))) (let ((.cse109 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse112 (+ .cse55 .cse56)) (.cse102 (select .cse95 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse114 (- 34359738368)))) (.cse3 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse106 (- 34359738368))) (.cse111 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse106)) (.cse113 (+ .cse62 .cse47))) (let ((.cse60 (store .cse99 .cse111 .cse113)) (.cse63 (store .cse99 .cse3 .cse113)) (.cse108 (+ 6 .cse47)) (.cse103 (+ .cse102 .cse62)) (.cse57 (store .cse99 .cse3 .cse112)) (.cse49 (store .cse99 .cse111 .cse112)) (.cse54 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse106)) (.cse59 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse106 (- 34359738368))) (.cse110 (+ 6 .cse56)) (.cse107 (* .cse109 8))) (let ((.cse52 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse107 (- 34359738368))) (.cse50 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse107)) (.cse14 (store .cse100 .cse59 .cse110)) (.cse31 (< 2147483647 .cse109)) (.cse29 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse107)) (.cse20 (store .cse100 .cse54 .cse110)) (.cse38 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse107 (- 34359738368))) (.cse39 (<= .cse109 2147483647)) (.cse53 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse49)) (.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse57)) (.cse21 (< 2147483647 .cse104)) (.cse1 (store .cse95 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse106) .cse103)) (.cse46 (store .cse100 .cse54 .cse108)) (.cse28 (store .cse100 .cse59 .cse108)) (.cse8 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 16)) (.cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse13 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse107)) (.cse4 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse106 (- 34359738368))) (.cse5 (<= .cse105 2147483647)) (.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse63)) (.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse60)) (.cse0 (< 2147483647 .cse105)) (.cse48 (<= .cse104 2147483647))) (and (or .cse0 (= 0 (select (store .cse1 .cse2 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) .cse3) (select .cse1 .cse4))) |c_ULTIMATE.start_main_~c~0#1.offset|))) (or (and (or .cse5 (= (select (select (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse14))) (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse12 (select .cse6 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse10 (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse7 (store .cse12 .cse13 (+ .cse10 .cse11)))) (store .cse7 .cse8 (+ (select (select (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse10 .cse11))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or .cse0 (= (select (select (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20))) (store .cse15 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse19 (select .cse15 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse17 (select .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse18 (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse16 (store .cse19 .cse13 (+ .cse17 .cse18)))) (store .cse16 .cse8 (+ .cse17 (select (select (store .cse15 |c_ULTIMATE.start_main_~b~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse18))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))) .cse21) (or (let ((.cse30 (+ 12 .cse47))) (and (or .cse5 (and (or (= (select (select (let ((.cse27 (store .cse28 .cse29 .cse30))) (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27))) (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse26 (select .cse22 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse24 (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse25 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse23 (store .cse26 .cse13 (+ .cse24 .cse25)))) (store .cse23 .cse8 (+ .cse24 .cse25 (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| .cse23) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse31) (or (= (select (select (let ((.cse37 (store .cse28 .cse38 .cse30))) (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse37))) (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse36 (select .cse32 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse34 (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse35 (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse33 (store .cse36 .cse13 (+ .cse34 .cse35)))) (store .cse33 .cse8 (+ .cse34 (select (select (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| .cse33) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse35)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse39))) (or (= (select (select (let ((.cse45 (store .cse46 .cse29 .cse30))) (let ((.cse40 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45))) (store .cse40 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse44 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse42 (select .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse43 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse41 (store .cse44 .cse13 (+ .cse42 .cse43)))) (store .cse41 .cse8 (+ (select (select (store .cse40 |c_ULTIMATE.start_main_~b~0#1.base| .cse41) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse42 .cse43)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0))) .cse48) (or (and (or (let ((.cse51 (+ (select (select .cse53 |c_ULTIMATE.start_main_~a~0#1.base|) .cse54) .cse55 .cse56))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse49 .cse50 .cse51)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse31) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse49 .cse52 .cse51)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse39))) .cse0) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse57 .cse52 (+ .cse55 .cse56 (select (select .cse58 |c_ULTIMATE.start_main_~a~0#1.base|) .cse59)))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse5)) .cse21) (or (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse60 .cse50 (+ (select (select .cse61 |c_ULTIMATE.start_main_~a~0#1.base|) .cse54) .cse62 .cse47))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0) (or .cse5 (let ((.cse64 (+ (select (select .cse65 |c_ULTIMATE.start_main_~a~0#1.base|) .cse59) .cse62 .cse47))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse63 .cse52 .cse64)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse39) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse63 .cse50 .cse64)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse31))))) .cse48) (or (let ((.cse72 (+ 12 .cse56))) (and (or .cse5 (= (select (select (let ((.cse71 (store .cse14 .cse38 .cse72))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse71))) (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse70 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse69 (select .cse71 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse67 (store .cse70 .cse13 (+ .cse68 .cse69)))) (store .cse67 .cse8 (+ .cse68 .cse69 (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9))))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (and (or .cse31 (= (select (select (let ((.cse78 (store .cse20 .cse29 .cse72))) (let ((.cse73 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse78))) (store .cse73 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse77 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse75 (select .cse77 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse76 (select .cse78 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse74 (store .cse77 .cse13 (+ .cse75 .cse76)))) (store .cse74 .cse8 (+ .cse75 (select (select (store .cse73 |c_ULTIMATE.start_main_~b~0#1.base| .cse74) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse76)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (= (select (select (let ((.cse84 (store .cse20 .cse38 .cse72))) (let ((.cse79 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse84))) (store .cse79 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse83 (select .cse79 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse81 (select .cse83 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse82 (select .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse80 (store .cse83 .cse13 (+ .cse81 .cse82)))) (store .cse80 .cse8 (+ (select (select (store .cse79 |c_ULTIMATE.start_main_~b~0#1.base| .cse80) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse81 .cse82)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse39)) .cse0))) .cse21) (or (and (or (= (select (select .cse53 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0) (or (= (select (select .cse58 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse5)) .cse21) (= (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (or (and (or (= (select (select (let ((.cse85 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse46))) (store .cse85 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse89 (select .cse85 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse87 (select .cse89 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse88 (select .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse86 (store .cse89 .cse13 (+ .cse87 .cse88)))) (store .cse86 .cse8 (+ .cse87 (select (select (store .cse85 |c_ULTIMATE.start_main_~b~0#1.base| .cse86) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse88))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0) (or .cse5 (= (select (select (let ((.cse90 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28))) (store .cse90 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse94 (select .cse90 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse92 (select .cse94 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse93 (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse91 (store .cse94 .cse13 (+ .cse92 .cse93)))) (store .cse91 .cse8 (+ .cse92 .cse93 (select (select (store .cse90 |c_ULTIMATE.start_main_~b~0#1.base| .cse91) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))) .cse48) (= 0 (select .cse95 |c_ULTIMATE.start_main_~c~0#1.offset|)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse97 (select .cse100 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse98 (select .cse99 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse96 (store .cse99 .cse13 (+ .cse97 .cse98)))) (store .cse96 .cse8 (+ .cse97 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse96) |c_ULTIMATE.start_main_~a~0#1.base|) .cse9) .cse98))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (or .cse5 (= 0 (select (let ((.cse101 (store .cse95 .cse4 .cse103))) (store .cse101 .cse2 (+ .cse102 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse101) |c_ULTIMATE.start_main_~b~0#1.base|) .cse3) .cse62))) |c_ULTIMATE.start_main_~c~0#1.offset|))) (or (and (or .cse5 (= (select (select .cse65 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (= (select (select .cse61 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0)) .cse48)))))))) is different from true [2021-11-20 23:16:13,039 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse96 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse97 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse95 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse94 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse107 (* .cse96 8))) (let ((.cse58 (select .cse94 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse107 (- 34359738368)))) (.cse43 (select .cse95 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse107 (- 34359738368)))) (.cse102 (* .cse97 8)) (.cse51 (select .cse94 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse107))) (.cse52 (select .cse95 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse107)))) (let ((.cse99 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse104 (+ .cse51 .cse52)) (.cse105 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse102 (- 34359738368))) (.cse103 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse102)) (.cse106 (+ .cse58 .cse43))) (let ((.cse56 (store .cse94 .cse103 .cse106)) (.cse59 (store .cse94 .cse105 .cse106)) (.cse98 (+ 6 .cse43)) (.cse53 (store .cse94 .cse105 .cse104)) (.cse45 (store .cse94 .cse103 .cse104)) (.cse50 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse102)) (.cse55 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse102 (- 34359738368))) (.cse101 (+ 6 .cse52)) (.cse100 (* .cse99 8))) (let ((.cse48 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse100 (- 34359738368))) (.cse46 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse100)) (.cse9 (store .cse95 .cse55 .cse101)) (.cse27 (< 2147483647 .cse99)) (.cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse100)) (.cse16 (store .cse95 .cse50 .cse101)) (.cse34 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse100 (- 34359738368))) (.cse35 (<= .cse99 2147483647)) (.cse49 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse45)) (.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse53)) (.cse17 (< 2147483647 .cse96)) (.cse42 (store .cse95 .cse50 .cse98)) (.cse24 (store .cse95 .cse55 .cse98)) (.cse3 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 16)) (.cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse8 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse0 (<= .cse97 2147483647)) (.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse59)) (.cse57 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse56)) (.cse10 (< 2147483647 .cse97)) (.cse44 (<= .cse96 2147483647))) (and (or (and (or .cse0 (= (select (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9))) (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse7 (select .cse1 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse5 (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (select .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse2 (store .cse7 .cse8 (+ .cse5 .cse6)))) (store .cse2 .cse3 (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse5 .cse6))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or .cse10 (= (select (select (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse16))) (store .cse11 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse15 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse13 (select .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse12 (store .cse15 .cse8 (+ .cse13 .cse14)))) (store .cse12 .cse3 (+ .cse13 (select (select (store .cse11 |c_ULTIMATE.start_main_~b~0#1.base| .cse12) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse14))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))) .cse17) (or (let ((.cse26 (+ 12 .cse43))) (and (or .cse0 (and (or (= (select (select (let ((.cse23 (store .cse24 .cse25 .cse26))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse23))) (store .cse18 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse22 (select .cse18 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse20 (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse21 (select .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse19 (store .cse22 .cse8 (+ .cse20 .cse21)))) (store .cse19 .cse3 (+ .cse20 .cse21 (select (select (store .cse18 |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4))))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse27) (or (= (select (select (let ((.cse33 (store .cse24 .cse34 .cse26))) (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33))) (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse32 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse30 (select .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse31 (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse29 (store .cse32 .cse8 (+ .cse30 .cse31)))) (store .cse29 .cse3 (+ .cse30 (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse31)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse35))) (or (= (select (select (let ((.cse41 (store .cse42 .cse25 .cse26))) (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse41))) (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse40 (select .cse36 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse38 (select .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse39 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse37 (store .cse40 .cse8 (+ .cse38 .cse39)))) (store .cse37 .cse3 (+ (select (select (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse38 .cse39)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse10))) .cse44) (or (and (or (let ((.cse47 (+ (select (select .cse49 |c_ULTIMATE.start_main_~a~0#1.base|) .cse50) .cse51 .cse52))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse45 .cse46 .cse47)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse27) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse45 .cse48 .cse47)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse35))) .cse10) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse53 .cse48 (+ .cse51 .cse52 (select (select .cse54 |c_ULTIMATE.start_main_~a~0#1.base|) .cse55)))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0)) .cse17) (or (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse56 .cse46 (+ (select (select .cse57 |c_ULTIMATE.start_main_~a~0#1.base|) .cse50) .cse58 .cse43))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse10) (or .cse0 (let ((.cse60 (+ (select (select .cse61 |c_ULTIMATE.start_main_~a~0#1.base|) .cse55) .cse58 .cse43))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse59 .cse48 .cse60)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse35) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse59 .cse46 .cse60)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse27))))) .cse44) (or (let ((.cse68 (+ 12 .cse52))) (and (or .cse0 (= (select (select (let ((.cse67 (store .cse9 .cse34 .cse68))) (let ((.cse62 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse67))) (store .cse62 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse66 (select .cse62 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse64 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse65 (select .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse63 (store .cse66 .cse8 (+ .cse64 .cse65)))) (store .cse63 .cse3 (+ .cse64 .cse65 (select (select (store .cse62 |c_ULTIMATE.start_main_~b~0#1.base| .cse63) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4))))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (and (or .cse27 (= (select (select (let ((.cse74 (store .cse16 .cse25 .cse68))) (let ((.cse69 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse74))) (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse73 (select .cse69 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse71 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse72 (select .cse74 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse70 (store .cse73 .cse8 (+ .cse71 .cse72)))) (store .cse70 .cse3 (+ .cse71 (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse70) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse72)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (= (select (select (let ((.cse80 (store .cse16 .cse34 .cse68))) (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse80))) (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse79 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse77 (select .cse79 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse78 (select .cse80 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse76 (store .cse79 .cse8 (+ .cse77 .cse78)))) (store .cse76 .cse3 (+ (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse76) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse77 .cse78)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse35)) .cse10))) .cse17) (or (and (or (= (select (select .cse49 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse10) (or (= (select (select .cse54 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0)) .cse17) (or (and (or (= (select (select (let ((.cse81 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse42))) (store .cse81 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse85 (select .cse81 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse83 (select .cse85 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse84 (select .cse42 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse82 (store .cse85 .cse8 (+ .cse83 .cse84)))) (store .cse82 .cse3 (+ .cse83 (select (select (store .cse81 |c_ULTIMATE.start_main_~b~0#1.base| .cse82) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse84))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse10) (or .cse0 (= (select (select (let ((.cse86 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24))) (store .cse86 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse90 (select .cse86 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse88 (select .cse90 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse89 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse87 (store .cse90 .cse8 (+ .cse88 .cse89)))) (store .cse87 .cse3 (+ .cse88 .cse89 (select (select (store .cse86 |c_ULTIMATE.start_main_~b~0#1.base| .cse87) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))) .cse44) (= 0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse92 (select .cse95 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse93 (select .cse94 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse91 (store .cse94 .cse8 (+ .cse92 .cse93)))) (store .cse91 .cse3 (+ .cse92 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse91) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse93))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (or (and (or .cse0 (= (select (select .cse61 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (= (select (select .cse57 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse10)) .cse44)))))))) is different from false [2021-11-20 23:16:15,063 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse96 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse97 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse95 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse94 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse107 (* .cse96 8))) (let ((.cse58 (select .cse94 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse107 (- 34359738368)))) (.cse43 (select .cse95 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse107 (- 34359738368)))) (.cse102 (* .cse97 8)) (.cse51 (select .cse94 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse107))) (.cse52 (select .cse95 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse107)))) (let ((.cse99 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse104 (+ .cse51 .cse52)) (.cse105 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse102 (- 34359738368))) (.cse103 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse102)) (.cse106 (+ .cse58 .cse43))) (let ((.cse56 (store .cse94 .cse103 .cse106)) (.cse59 (store .cse94 .cse105 .cse106)) (.cse98 (+ 6 .cse43)) (.cse53 (store .cse94 .cse105 .cse104)) (.cse45 (store .cse94 .cse103 .cse104)) (.cse50 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse102)) (.cse55 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse102 (- 34359738368))) (.cse101 (+ 6 .cse52)) (.cse100 (* .cse99 8))) (let ((.cse48 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse100 (- 34359738368))) (.cse46 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse100)) (.cse9 (store .cse95 .cse55 .cse101)) (.cse27 (< 2147483647 .cse99)) (.cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse100)) (.cse16 (store .cse95 .cse50 .cse101)) (.cse34 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse100 (- 34359738368))) (.cse35 (<= .cse99 2147483647)) (.cse49 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse45)) (.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse53)) (.cse17 (< 2147483647 .cse96)) (.cse42 (store .cse95 .cse50 .cse98)) (.cse24 (store .cse95 .cse55 .cse98)) (.cse3 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 16)) (.cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse8 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse0 (<= .cse97 2147483647)) (.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse59)) (.cse57 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse56)) (.cse10 (< 2147483647 .cse97)) (.cse44 (<= .cse96 2147483647))) (and (or (and (or .cse0 (= (select (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9))) (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse7 (select .cse1 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse5 (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (select .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse2 (store .cse7 .cse8 (+ .cse5 .cse6)))) (store .cse2 .cse3 (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse5 .cse6))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or .cse10 (= (select (select (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse16))) (store .cse11 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse15 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse13 (select .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse12 (store .cse15 .cse8 (+ .cse13 .cse14)))) (store .cse12 .cse3 (+ .cse13 (select (select (store .cse11 |c_ULTIMATE.start_main_~b~0#1.base| .cse12) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse14))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))) .cse17) (or (let ((.cse26 (+ 12 .cse43))) (and (or .cse0 (and (or (= (select (select (let ((.cse23 (store .cse24 .cse25 .cse26))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse23))) (store .cse18 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse22 (select .cse18 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse20 (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse21 (select .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse19 (store .cse22 .cse8 (+ .cse20 .cse21)))) (store .cse19 .cse3 (+ .cse20 .cse21 (select (select (store .cse18 |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4))))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse27) (or (= (select (select (let ((.cse33 (store .cse24 .cse34 .cse26))) (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33))) (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse32 (select .cse28 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse30 (select .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse31 (select .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse29 (store .cse32 .cse8 (+ .cse30 .cse31)))) (store .cse29 .cse3 (+ .cse30 (select (select (store .cse28 |c_ULTIMATE.start_main_~b~0#1.base| .cse29) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse31)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse35))) (or (= (select (select (let ((.cse41 (store .cse42 .cse25 .cse26))) (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse41))) (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse40 (select .cse36 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse38 (select .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse39 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse37 (store .cse40 .cse8 (+ .cse38 .cse39)))) (store .cse37 .cse3 (+ (select (select (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse38 .cse39)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse10))) .cse44) (or (and (or (let ((.cse47 (+ (select (select .cse49 |c_ULTIMATE.start_main_~a~0#1.base|) .cse50) .cse51 .cse52))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse45 .cse46 .cse47)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse27) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse45 .cse48 .cse47)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse35))) .cse10) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse53 .cse48 (+ .cse51 .cse52 (select (select .cse54 |c_ULTIMATE.start_main_~a~0#1.base|) .cse55)))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0)) .cse17) (or (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse56 .cse46 (+ (select (select .cse57 |c_ULTIMATE.start_main_~a~0#1.base|) .cse50) .cse58 .cse43))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse10) (or .cse0 (let ((.cse60 (+ (select (select .cse61 |c_ULTIMATE.start_main_~a~0#1.base|) .cse55) .cse58 .cse43))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse59 .cse48 .cse60)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse35) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store .cse59 .cse46 .cse60)) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse27))))) .cse44) (or (let ((.cse68 (+ 12 .cse52))) (and (or .cse0 (= (select (select (let ((.cse67 (store .cse9 .cse34 .cse68))) (let ((.cse62 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse67))) (store .cse62 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse66 (select .cse62 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse64 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse65 (select .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse63 (store .cse66 .cse8 (+ .cse64 .cse65)))) (store .cse63 .cse3 (+ .cse64 .cse65 (select (select (store .cse62 |c_ULTIMATE.start_main_~b~0#1.base| .cse63) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4))))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (and (or .cse27 (= (select (select (let ((.cse74 (store .cse16 .cse25 .cse68))) (let ((.cse69 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse74))) (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse73 (select .cse69 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse71 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse72 (select .cse74 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse70 (store .cse73 .cse8 (+ .cse71 .cse72)))) (store .cse70 .cse3 (+ .cse71 (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse70) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse72)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (= (select (select (let ((.cse80 (store .cse16 .cse34 .cse68))) (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse80))) (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse79 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse77 (select .cse79 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse78 (select .cse80 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse76 (store .cse79 .cse8 (+ .cse77 .cse78)))) (store .cse76 .cse3 (+ (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse76) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse77 .cse78)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse35)) .cse10))) .cse17) (or (and (or (= (select (select .cse49 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse10) (or (= (select (select .cse54 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse0)) .cse17) (or (and (or (= (select (select (let ((.cse81 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse42))) (store .cse81 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse85 (select .cse81 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse83 (select .cse85 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse84 (select .cse42 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse82 (store .cse85 .cse8 (+ .cse83 .cse84)))) (store .cse82 .cse3 (+ .cse83 (select (select (store .cse81 |c_ULTIMATE.start_main_~b~0#1.base| .cse82) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse84))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse10) (or .cse0 (= (select (select (let ((.cse86 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24))) (store .cse86 |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse90 (select .cse86 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse88 (select .cse90 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse89 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse87 (store .cse90 .cse8 (+ .cse88 .cse89)))) (store .cse87 .cse3 (+ .cse88 .cse89 (select (select (store .cse86 |c_ULTIMATE.start_main_~b~0#1.base| .cse87) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4)))))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0))) .cse44) (= 0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse92 (select .cse95 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse93 (select .cse94 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse91 (store .cse94 .cse8 (+ .cse92 .cse93)))) (store .cse91 .cse3 (+ .cse92 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse91) |c_ULTIMATE.start_main_~a~0#1.base|) .cse4) .cse93))))) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) (or (and (or .cse0 (= (select (select .cse61 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0)) (or (= (select (select .cse57 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|) 0) .cse10)) .cse44)))))))) is different from true [2021-11-20 23:16:30,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:16:32,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:16:38,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:16:39,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:16:41,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:16:43,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:19,971 WARN L227 SmtUtils]: Spent 17.10s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:17:20,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:23,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:24,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:26,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:35,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:38,881 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:40,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:42,979 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:45,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:46,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:48,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:50,512 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:51,873 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:17:54,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:56,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:58,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:00,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:07,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:09,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:18:09,063 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2021-11-20 23:18:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-20 23:18:09,064 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 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 14 [2021-11-20 23:18:09,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:18:09,064 INFO L225 Difference]: With dead ends: 50 [2021-11-20 23:18:09,065 INFO L226 Difference]: Without dead ends: 48 [2021-11-20 23:18:09,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 156.1s TimeCoverageRelationStatistics Valid=192, Invalid=854, Unknown=18, NotChecked=126, Total=1190 [2021-11-20 23:18:09,066 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 43 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 102 IncrementalHoareTripleChecker+Unchecked, 52.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:18:09,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 45 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 198 Invalid, 11 Unknown, 102 Unchecked, 52.2s Time] [2021-11-20 23:18:09,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-20 23:18:09,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2021-11-20 23:18:09,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 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 23:18:09,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2021-11-20 23:18:09,079 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 14 [2021-11-20 23:18:09,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:18:09,080 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2021-11-20 23:18:09,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 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 23:18:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2021-11-20 23:18:09,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-20 23:18:09,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:18:09,081 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:18:09,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 23:18:09,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:18:09,291 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:18:09,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:18:09,291 INFO L85 PathProgramCache]: Analyzing trace with hash 592635563, now seen corresponding path program 5 times [2021-11-20 23:18:09,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:18:09,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249584861] [2021-11-20 23:18:09,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:18:09,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:18:09,313 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:18:09,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [297997074] [2021-11-20 23:18:09,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 23:18:09,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:18:09,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:18:09,328 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:18:09,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 23:18:09,622 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-20 23:18:09,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 23:18:09,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:18:09,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:18:09,743 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 23:18:09,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:18:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 23:18:09,830 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:18:09,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249584861] [2021-11-20 23:18:09,831 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:18:09,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297997074] [2021-11-20 23:18:09,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297997074] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:18:09,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [665434845] [2021-11-20 23:18:09,833 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-20 23:18:09,833 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:18:09,834 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:18:09,834 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:18:09,834 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:18:10,162 INFO L354 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2021-11-20 23:18:10,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2021-11-20 23:18:10,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 17 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2021-11-20 23:18:10,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 16 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 46 [2021-11-20 23:18:10,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:10,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:10,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:10,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:10,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 62 [2021-11-20 23:18:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:10,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:10,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:10,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:10,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:10,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:10,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:10,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:11,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:11,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:11,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,091 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-11-20 23:18:11,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 560 treesize of output 742 [2021-11-20 23:18:11,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:11,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:11,356 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-20 23:18:11,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 145 treesize of output 88 [2021-11-20 23:18:12,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:12,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:12,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:12,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:12,626 INFO L354 Elim1Store]: treesize reduction 142, result has 0.7 percent of original size [2021-11-20 23:18:12,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 27 case distinctions, treesize of input 480 treesize of output 366 [2021-11-20 23:18:13,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:13,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:13,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:13,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:13,443 INFO L354 Elim1Store]: treesize reduction 129, result has 9.8 percent of original size [2021-11-20 23:18:13,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 437 treesize of output 329 [2021-11-20 23:18:14,145 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:14,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:18:14,187 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:14,342 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:18:14,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2021-11-20 23:18:14,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:14,541 INFO L354 Elim1Store]: treesize reduction 234, result has 0.4 percent of original size [2021-11-20 23:18:14,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 268 treesize of output 472 [2021-11-20 23:18:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:14,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:14,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:14,701 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-20 23:18:14,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 317 treesize of output 199 [2021-11-20 23:18:14,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:14,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:14,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,018 INFO L354 Elim1Store]: treesize reduction 123, result has 10.2 percent of original size [2021-11-20 23:18:15,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 250 treesize of output 173 [2021-11-20 23:18:15,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,133 INFO L354 Elim1Store]: treesize reduction 74, result has 1.3 percent of original size [2021-11-20 23:18:15,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 271 treesize of output 175 [2021-11-20 23:18:15,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:15,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,398 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:18:15,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:18:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,618 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:18:15,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2021-11-20 23:18:15,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,817 INFO L354 Elim1Store]: treesize reduction 234, result has 0.4 percent of original size [2021-11-20 23:18:15,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 268 treesize of output 472 [2021-11-20 23:18:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:15,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:15,944 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-20 23:18:15,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 117 [2021-11-20 23:18:16,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:16,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:16,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:16,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:16,070 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:18:16,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 130 [2021-11-20 23:18:16,126 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:16,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:16,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:16,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:16,278 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-20 23:18:16,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 223 treesize of output 145 [2021-11-20 23:18:16,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:16,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:16,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:16,435 INFO L354 Elim1Store]: treesize reduction 123, result has 10.2 percent of original size [2021-11-20 23:18:16,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 211 treesize of output 144 [2021-11-20 23:18:16,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:16,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:16,810 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:18:16,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:18:17,249 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:18:17,618 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:18:17,619 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:18:17,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-11-20 23:18:17,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812849482] [2021-11-20 23:18:17,619 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:18:17,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 23:18:17,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:18:17,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 23:18:17,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:18:17,621 INFO L87 Difference]: Start difference. First operand 42 states and 55 transitions. Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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 23:18:18,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:18:18,153 INFO L93 Difference]: Finished difference Result 92 states and 112 transitions. [2021-11-20 23:18:18,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 23:18:18,155 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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 16 [2021-11-20 23:18:18,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:18:18,156 INFO L225 Difference]: With dead ends: 92 [2021-11-20 23:18:18,156 INFO L226 Difference]: Without dead ends: 65 [2021-11-20 23:18:18,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-11-20 23:18:18,158 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 64 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:18:18,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 30 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 23:18:18,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-20 23:18:18,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 35. [2021-11-20 23:18:18,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 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 23:18:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2021-11-20 23:18:18,170 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 16 [2021-11-20 23:18:18,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:18:18,170 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2021-11-20 23:18:18,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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 23:18:18,171 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-20 23:18:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-20 23:18:18,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:18:18,171 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:18:18,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-20 23:18:18,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:18:18,381 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:18:18,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:18:18,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1644409152, now seen corresponding path program 6 times [2021-11-20 23:18:18,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:18:18,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944883410] [2021-11-20 23:18:18,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:18:18,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:18:18,403 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:18:18,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [421061915] [2021-11-20 23:18:18,403 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 23:18:18,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:18:18,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:18:18,410 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:18:18,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-20 23:18:18,471 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 23:18:18,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 23:18:18,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:18:18,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:18:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 23:18:18,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:18:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 23:18:18,663 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:18:18,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944883410] [2021-11-20 23:18:18,663 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:18:18,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421061915] [2021-11-20 23:18:18,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421061915] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:18:18,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [567388568] [2021-11-20 23:18:18,665 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-20 23:18:18,665 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:18:18,665 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:18:18,665 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:18:18,665 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:18:18,922 INFO L354 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2021-11-20 23:18:18,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2021-11-20 23:18:19,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 18 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2021-11-20 23:18:19,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 16 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 46 [2021-11-20 23:18:19,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:19,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 385 [2021-11-20 23:18:19,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 79 [2021-11-20 23:18:19,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 112 [2021-11-20 23:18:19,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:19,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 75 [2021-11-20 23:18:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:20,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,218 INFO L354 Elim1Store]: treesize reduction 200, result has 0.5 percent of original size [2021-11-20 23:18:20,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 27 case distinctions, treesize of input 573 treesize of output 771 [2021-11-20 23:18:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:20,421 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:18:20,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 2 case distinctions, treesize of input 288 treesize of output 166 [2021-11-20 23:18:21,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:21,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:21,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:21,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:21,855 INFO L354 Elim1Store]: treesize reduction 200, result has 0.5 percent of original size [2021-11-20 23:18:21,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 27 case distinctions, treesize of input 501 treesize of output 392 [2021-11-20 23:18:22,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:22,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:22,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:22,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:22,622 INFO L354 Elim1Store]: treesize reduction 172, result has 14.4 percent of original size [2021-11-20 23:18:22,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 27 case distinctions, treesize of input 453 treesize of output 354 [2021-11-20 23:18:23,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:23,848 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:23,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:23,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:18:24,056 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:24,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,073 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:18:24,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:18:24,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,221 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:18:24,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 287 treesize of output 515 [2021-11-20 23:18:24,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,587 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:18:24,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 313 treesize of output 191 [2021-11-20 23:18:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,722 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:18:24,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 311 treesize of output 172 [2021-11-20 23:18:24,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:24,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:24,804 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:18:24,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 301 treesize of output 166 [2021-11-20 23:18:24,970 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:24,985 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:24,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:25,012 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:18:25,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:18:25,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:25,190 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:18:25,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2021-11-20 23:18:25,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:25,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:25,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:25,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:25,382 INFO L354 Elim1Store]: treesize reduction 234, result has 0.4 percent of original size [2021-11-20 23:18:25,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 268 treesize of output 472 [2021-11-20 23:18:25,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:25,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:26,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:26,618 INFO L354 Elim1Store]: treesize reduction 123, result has 10.2 percent of original size [2021-11-20 23:18:26,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 584 treesize of output 505 [2021-11-20 23:18:26,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:26,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:26,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:26,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:27,024 INFO L354 Elim1Store]: treesize reduction 83, result has 14.4 percent of original size [2021-11-20 23:18:27,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 588 treesize of output 432 [2021-11-20 23:18:27,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:27,178 INFO L354 Elim1Store]: treesize reduction 94, result has 31.4 percent of original size [2021-11-20 23:18:27,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 442 treesize of output 261 [2021-11-20 23:18:27,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:27,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:27,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:27,776 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:18:27,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:18:28,198 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:18:28,572 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:18:28,572 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:18:28,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-11-20 23:18:28,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585006086] [2021-11-20 23:18:28,572 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:18:28,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 23:18:28,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:18:28,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 23:18:28,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:18:28,574 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. Second operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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 23:18:29,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:18:29,018 INFO L93 Difference]: Finished difference Result 66 states and 76 transitions. [2021-11-20 23:18:29,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 23:18:29,018 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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 16 [2021-11-20 23:18:29,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:18:29,019 INFO L225 Difference]: With dead ends: 66 [2021-11-20 23:18:29,019 INFO L226 Difference]: Without dead ends: 53 [2021-11-20 23:18:29,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2021-11-20 23:18:29,020 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 35 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:18:29,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 43 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 23:18:29,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-20 23:18:29,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 27. [2021-11-20 23:18:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 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 23:18:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-11-20 23:18:29,029 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 16 [2021-11-20 23:18:29,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:18:29,030 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-11-20 23:18:29,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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 23:18:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-11-20 23:18:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 23:18:29,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:18:29,031 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:18:29,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-20 23:18:29,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-20 23:18:29,232 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:18:29,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:18:29,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1741655437, now seen corresponding path program 2 times [2021-11-20 23:18:29,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:18:29,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105907522] [2021-11-20 23:18:29,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:18:29,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:18:29,268 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:18:29,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1266403154] [2021-11-20 23:18:29,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 23:18:29,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:18:29,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:18:29,270 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:18:29,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2789a3d6-8725-41f9-b664-324cf276bc2e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-20 23:18:29,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 23:18:29,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 23:18:29,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-20 23:18:29,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:18:29,649 INFO L354 Elim1Store]: treesize reduction 39, result has 40.0 percent of original size [2021-11-20 23:18:29,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 33 [2021-11-20 23:18:29,678 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:18:29,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-11-20 23:18:29,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:29,754 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:18:29,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 42 [2021-11-20 23:18:29,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:29,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:29,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:29,836 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:18:29,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 54 [2021-11-20 23:18:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:29,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:29,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:29,983 INFO L354 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2021-11-20 23:18:29,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 63 treesize of output 66 [2021-11-20 23:18:30,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,094 INFO L354 Elim1Store]: treesize reduction 51, result has 12.1 percent of original size [2021-11-20 23:18:30,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 80 treesize of output 76 [2021-11-20 23:18:30,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,430 INFO L354 Elim1Store]: treesize reduction 170, result has 16.3 percent of original size [2021-11-20 23:18:30,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 11 select indices, 11 select index equivalence classes, 10 disjoint index pairs (out of 55 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 307 treesize of output 619 [2021-11-20 23:18:30,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 205 [2021-11-20 23:18:30,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:18:30,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 325 treesize of output 196 [2021-11-20 23:18:30,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:30,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:30,938 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-20 23:18:30,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 17 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 297 treesize of output 178 [2021-11-20 23:18:31,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:31,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:31,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:18:31,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:31,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:18:31,091 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-11-20 23:18:31,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 106 treesize of output 100 [2021-11-20 23:18:31,484 INFO L354 Elim1Store]: treesize reduction 60, result has 17.8 percent of original size [2021-11-20 23:18:31,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 112 treesize of output 64 [2021-11-20 23:18:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:18:31,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:19:32,350 WARN L227 SmtUtils]: Spent 28.74s on a formula simplification that was a NOOP. DAG size: 169 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:20:06,599 WARN L227 SmtUtils]: Spent 15.25s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:23:00,206 WARN L227 SmtUtils]: Spent 1.70m on a formula simplification that was a NOOP. DAG size: 218 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:23:00,219 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:23:00,220 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:23:00,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105907522] [2021-11-20 23:23:00,220 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:23:00,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266403154] [2021-11-20 23:23:00,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266403154] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:23:00,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2105951740] [2021-11-20 23:23:00,222 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-20 23:23:00,222 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:23:00,222 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:23:00,222 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:23:00,222 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:23:00,484 INFO L354 Elim1Store]: treesize reduction 185, result has 24.5 percent of original size [2021-11-20 23:23:00,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 76 [2021-11-20 23:23:00,736 INFO L354 Elim1Store]: treesize reduction 84, result has 33.9 percent of original size [2021-11-20 23:23:00,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 63 [2021-11-20 23:23:01,094 INFO L354 Elim1Store]: treesize reduction 251, result has 19.8 percent of original size [2021-11-20 23:23:01,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 60 treesize of output 105 [2021-11-20 23:23:01,298 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-20 23:23:01,298 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-20 23:23:01,350 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:23:01,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:23:01,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,550 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:23:01,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 228 treesize of output 334 [2021-11-20 23:23:01,684 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:23:01,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 122 [2021-11-20 23:23:01,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 85 [2021-11-20 23:23:01,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,869 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:23:01,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 180 treesize of output 95 [2021-11-20 23:23:01,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:01,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:23:01,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:23:01,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:23:02,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,135 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:23:02,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2021-11-20 23:23:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,374 INFO L354 Elim1Store]: treesize reduction 234, result has 0.4 percent of original size [2021-11-20 23:23:02,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 268 treesize of output 472 [2021-11-20 23:23:02,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,574 INFO L354 Elim1Store]: treesize reduction 136, result has 0.7 percent of original size [2021-11-20 23:23:02,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 240 treesize of output 157 [2021-11-20 23:23:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,728 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-20 23:23:02,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 314 treesize of output 156 [2021-11-20 23:23:02,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:02,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:02,855 INFO L354 Elim1Store]: treesize reduction 123, result has 10.2 percent of original size [2021-11-20 23:23:02,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 284 treesize of output 154 [2021-11-20 23:23:03,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:03,101 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:23:03,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:23:03,124 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:23:03,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:03,294 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:23:03,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:23:03,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:23:03,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:03,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:03,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:03,606 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:23:03,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 287 treesize of output 515 [2021-11-20 23:23:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:03,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:03,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:03,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:03,747 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:23:03,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 330 treesize of output 207 [2021-11-20 23:23:04,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:04,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:04,076 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:23:04,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 283 treesize of output 170 [2021-11-20 23:23:04,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:04,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:04,153 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:23:04,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 336 treesize of output 202 [2021-11-20 23:23:04,304 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:23:04,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:23:04,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:23:04,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:23:04,344 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:23:04,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2021-11-20 23:23:05,597 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:23:12,879 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:23:12,879 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:23:12,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-11-20 23:23:12,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839156571] [2021-11-20 23:23:12,879 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 23:23:12,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 23:23:12,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:23:12,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 23:23:12,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=787, Unknown=17, NotChecked=0, Total=930 [2021-11-20 23:23:12,881 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 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 23:23:30,223 WARN L227 SmtUtils]: Spent 10.30s on a formula simplification. DAG size of input: 245 DAG size of output: 99 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:23:34,279 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse151 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse154 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse87 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse160 (* .cse151 8))) (let ((.cse73 (select .cse87 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse160))) (.cse159 (* .cse154 8)) (.cse156 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse127 (select .cse87 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse160 (- 34359738368))))) (let ((.cse153 (+ 6 .cse127)) (.cse157 (* .cse156 8)) (.cse86 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse155 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse159)) (.cse152 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse159 (- 34359738368))) (.cse158 (+ 6 .cse73))) (let ((.cse17 (store .cse87 .cse152 .cse158)) (.cse31 (store .cse87 .cse155 .cse158)) (.cse0 (< 2147483647 .cse151)) (.cse76 (select .cse86 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse44 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse157 (- 34359738368))) (.cse72 (<= .cse156 2147483647)) (.cse58 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse157)) (.cse59 (< 2147483647 .cse156)) (.cse100 (store .cse87 .cse155 .cse153)) (.cse19 (< 2147483647 .cse154)) (.cse18 (<= .cse154 2147483647)) (.cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 16)) (.cse12 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 16)) (.cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse5 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse114 (store .cse87 .cse152 .cse153)) (.cse8 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (.cse128 (<= .cse151 2147483647))) (and (or .cse0 (and (or (= (select (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse17))) (let ((.cse9 (let ((.cse16 (select .cse10 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse14 (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (select .cse16 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse11 (store .cse16 .cse5 (+ .cse14 .cse15)))) (store .cse11 .cse12 (+ (select (select (store .cse10 |c_ULTIMATE.start_main_~b~0#1.base| .cse11) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse14 .cse15))))))) (let ((.cse4 (store .cse10 |c_ULTIMATE.start_main_~b~0#1.base| .cse9))) (let ((.cse7 (select .cse4 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse3 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse1 (store .cse7 .cse8 (+ .cse3 .cse6)))) (store .cse1 .cse2 (+ .cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~c~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse6)))))))) .cse8) 1) .cse18) (or .cse19 (= (select (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31))) (let ((.cse25 (let ((.cse30 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse28 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse29 (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse27 (store .cse30 .cse5 (+ .cse28 .cse29)))) (store .cse27 .cse12 (+ .cse28 (select (select (store .cse26 |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse29))))))) (let ((.cse23 (store .cse26 |c_ULTIMATE.start_main_~b~0#1.base| .cse25))) (let ((.cse24 (select .cse23 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse21 (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (select .cse24 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse20 (store .cse24 .cse8 (+ .cse21 .cse22)))) (store .cse20 .cse2 (+ .cse21 .cse22 (select (select (store .cse23 |c_ULTIMATE.start_main_~c~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5))))))))) .cse8) 1)))) (or (let ((.cse45 (+ 12 .cse73))) (and (or (= (select (let ((.cse43 (store .cse17 .cse44 .cse45))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse43))) (let ((.cse37 (let ((.cse42 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse40 (select .cse42 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse41 (select .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse39 (store .cse42 .cse5 (+ .cse40 .cse41)))) (store .cse39 .cse12 (+ .cse40 .cse41 (select (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (let ((.cse35 (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse37))) (let ((.cse36 (select .cse35 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse33 (select .cse36 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse34 (select .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse32 (store .cse36 .cse8 (+ .cse33 .cse34)))) (store .cse32 .cse2 (+ .cse33 .cse34 (select (select (store .cse35 |c_ULTIMATE.start_main_~c~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5)))))))))) .cse8) 1) .cse18) (or .cse19 (and (or (= (select (let ((.cse57 (store .cse31 .cse58 .cse45))) (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse57))) (let ((.cse51 (let ((.cse56 (select .cse52 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse54 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse55 (select .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse53 (store .cse56 .cse5 (+ .cse54 .cse55)))) (store .cse53 .cse12 (+ .cse54 (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse55))))))) (let ((.cse48 (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse51))) (let ((.cse50 (select .cse48 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse47 (select .cse50 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse49 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse46 (store .cse50 .cse8 (+ .cse47 .cse49)))) (store .cse46 .cse2 (+ .cse47 (select (select (store .cse48 |c_ULTIMATE.start_main_~c~0#1.base| .cse46) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse49))))))))) .cse8) 1) .cse59) (or (= (select (let ((.cse71 (store .cse31 .cse44 .cse45))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse71))) (let ((.cse65 (let ((.cse70 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse69 (select .cse71 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse67 (store .cse70 .cse5 (+ .cse68 .cse69)))) (store .cse67 .cse12 (+ (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse68 .cse69))))))) (let ((.cse61 (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse65))) (let ((.cse64 (select .cse61 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse62 (select .cse64 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse63 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse60 (store .cse64 .cse8 (+ .cse62 .cse63)))) (store .cse60 .cse2 (+ (select (select (store .cse61 |c_ULTIMATE.start_main_~c~0#1.base| .cse60) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse62 .cse63))))))))) .cse8) 1) .cse72))))) .cse0) (= 1 (select (let ((.cse77 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse75 (select .cse77 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse74 (store .cse77 .cse8 (+ .cse75 .cse76)))) (store .cse74 .cse2 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse74) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse75 .cse76))))) .cse8)) (= (select (let ((.cse83 (let ((.cse85 (select .cse87 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse84 (store .cse86 .cse5 (+ .cse85 .cse76)))) (store .cse84 .cse12 (+ .cse85 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse84) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse76)))))) (let ((.cse79 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse83))) (let ((.cse82 (select .cse79 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse80 (select .cse83 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse81 (select .cse82 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse78 (store .cse82 .cse8 (+ .cse80 .cse81)))) (store .cse78 .cse2 (+ (select (select (store .cse79 |c_ULTIMATE.start_main_~c~0#1.base| .cse78) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse80 .cse81))))))) .cse8) 1) (or (let ((.cse101 (+ 12 .cse127))) (and (or (= (select (let ((.cse99 (store .cse100 .cse58 .cse101))) (let ((.cse94 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse99))) (let ((.cse93 (let ((.cse98 (select .cse94 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse96 (select .cse99 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse97 (select .cse98 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse95 (store .cse98 .cse5 (+ .cse96 .cse97)))) (store .cse95 .cse12 (+ (select (select (store .cse94 |c_ULTIMATE.start_main_~b~0#1.base| .cse95) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse96 .cse97))))))) (let ((.cse90 (store .cse94 |c_ULTIMATE.start_main_~b~0#1.base| .cse93))) (let ((.cse92 (select .cse90 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse89 (select .cse92 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse91 (select .cse93 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse88 (store .cse92 .cse8 (+ .cse89 .cse91)))) (store .cse88 .cse2 (+ .cse89 (select (select (store .cse90 |c_ULTIMATE.start_main_~c~0#1.base| .cse88) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse91))))))))) .cse8) 1) .cse19) (or .cse18 (and (or (= (select (let ((.cse113 (store .cse114 .cse44 .cse101))) (let ((.cse108 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse113))) (let ((.cse107 (let ((.cse112 (select .cse108 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse110 (select .cse112 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse111 (select .cse113 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse109 (store .cse112 .cse5 (+ .cse110 .cse111)))) (store .cse109 .cse12 (+ .cse110 (select (select (store .cse108 |c_ULTIMATE.start_main_~b~0#1.base| .cse109) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse111))))))) (let ((.cse104 (store .cse108 |c_ULTIMATE.start_main_~b~0#1.base| .cse107))) (let ((.cse106 (select .cse104 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse103 (select .cse106 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse105 (select .cse107 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse102 (store .cse106 .cse8 (+ .cse103 .cse105)))) (store .cse102 .cse2 (+ .cse103 (select (select (store .cse104 |c_ULTIMATE.start_main_~c~0#1.base| .cse102) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse105))))))))) .cse8) 1) .cse72) (or (= (select (let ((.cse126 (store .cse114 .cse58 .cse101))) (let ((.cse121 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse126))) (let ((.cse120 (let ((.cse125 (select .cse121 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse123 (select .cse126 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse124 (select .cse125 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse122 (store .cse125 .cse5 (+ .cse123 .cse124)))) (store .cse122 .cse12 (+ .cse123 .cse124 (select (select (store .cse121 |c_ULTIMATE.start_main_~b~0#1.base| .cse122) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (let ((.cse118 (store .cse121 |c_ULTIMATE.start_main_~b~0#1.base| .cse120))) (let ((.cse119 (select .cse118 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse116 (select .cse119 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse117 (select .cse120 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse115 (store .cse119 .cse8 (+ .cse116 .cse117)))) (store .cse115 .cse2 (+ .cse116 .cse117 (select (select (store .cse118 |c_ULTIMATE.start_main_~c~0#1.base| .cse115) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5)))))))))) .cse8) 1) .cse59))))) .cse128) (or (and (or (= (select (let ((.cse135 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse100))) (let ((.cse134 (let ((.cse139 (select .cse135 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse137 (select .cse139 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse138 (select .cse100 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse136 (store .cse139 .cse5 (+ .cse137 .cse138)))) (store .cse136 .cse12 (+ .cse137 (select (select (store .cse135 |c_ULTIMATE.start_main_~b~0#1.base| .cse136) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse138))))))) (let ((.cse130 (store .cse135 |c_ULTIMATE.start_main_~b~0#1.base| .cse134))) (let ((.cse133 (select .cse130 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse131 (select .cse133 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse132 (select .cse134 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse129 (store .cse133 .cse8 (+ .cse131 .cse132)))) (store .cse129 .cse2 (+ (select (select (store .cse130 |c_ULTIMATE.start_main_~c~0#1.base| .cse129) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse131 .cse132)))))))) .cse8) 1) .cse19) (or .cse18 (= (select (let ((.cse146 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse114))) (let ((.cse145 (let ((.cse150 (select .cse146 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse148 (select .cse150 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse149 (select .cse114 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse147 (store .cse150 .cse5 (+ .cse148 .cse149)))) (store .cse147 .cse12 (+ .cse148 .cse149 (select (select (store .cse146 |c_ULTIMATE.start_main_~b~0#1.base| .cse147) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (let ((.cse141 (store .cse146 |c_ULTIMATE.start_main_~b~0#1.base| .cse145))) (let ((.cse144 (select .cse141 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse142 (select .cse144 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse143 (select .cse145 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse140 (store .cse144 .cse8 (+ .cse142 .cse143)))) (store .cse140 .cse2 (+ (select (select (store .cse141 |c_ULTIMATE.start_main_~c~0#1.base| .cse140) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse142 .cse143)))))))) .cse8) 1))) .cse128))))))) is different from false [2021-11-20 23:23:36,298 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse151 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse154 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse87 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse160 (* .cse151 8))) (let ((.cse73 (select .cse87 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse160))) (.cse159 (* .cse154 8)) (.cse156 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse127 (select .cse87 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse160 (- 34359738368))))) (let ((.cse153 (+ 6 .cse127)) (.cse157 (* .cse156 8)) (.cse86 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse155 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse159)) (.cse152 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse159 (- 34359738368))) (.cse158 (+ 6 .cse73))) (let ((.cse17 (store .cse87 .cse152 .cse158)) (.cse31 (store .cse87 .cse155 .cse158)) (.cse0 (< 2147483647 .cse151)) (.cse76 (select .cse86 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse44 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse157 (- 34359738368))) (.cse72 (<= .cse156 2147483647)) (.cse58 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse157)) (.cse59 (< 2147483647 .cse156)) (.cse100 (store .cse87 .cse155 .cse153)) (.cse19 (< 2147483647 .cse154)) (.cse18 (<= .cse154 2147483647)) (.cse2 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 16)) (.cse12 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 16)) (.cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)) (.cse5 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) (.cse114 (store .cse87 .cse152 .cse153)) (.cse8 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8)) (.cse128 (<= .cse151 2147483647))) (and (or .cse0 (and (or (= (select (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse17))) (let ((.cse9 (let ((.cse16 (select .cse10 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse14 (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (select .cse16 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse11 (store .cse16 .cse5 (+ .cse14 .cse15)))) (store .cse11 .cse12 (+ (select (select (store .cse10 |c_ULTIMATE.start_main_~b~0#1.base| .cse11) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse14 .cse15))))))) (let ((.cse4 (store .cse10 |c_ULTIMATE.start_main_~b~0#1.base| .cse9))) (let ((.cse7 (select .cse4 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse3 (select .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (select .cse7 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse1 (store .cse7 .cse8 (+ .cse3 .cse6)))) (store .cse1 .cse2 (+ .cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~c~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse6)))))))) .cse8) 1) .cse18) (or .cse19 (= (select (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31))) (let ((.cse25 (let ((.cse30 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse28 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse29 (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse27 (store .cse30 .cse5 (+ .cse28 .cse29)))) (store .cse27 .cse12 (+ .cse28 (select (select (store .cse26 |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse29))))))) (let ((.cse23 (store .cse26 |c_ULTIMATE.start_main_~b~0#1.base| .cse25))) (let ((.cse24 (select .cse23 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse21 (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (select .cse24 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse20 (store .cse24 .cse8 (+ .cse21 .cse22)))) (store .cse20 .cse2 (+ .cse21 .cse22 (select (select (store .cse23 |c_ULTIMATE.start_main_~c~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5))))))))) .cse8) 1)))) (or (let ((.cse45 (+ 12 .cse73))) (and (or (= (select (let ((.cse43 (store .cse17 .cse44 .cse45))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse43))) (let ((.cse37 (let ((.cse42 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse40 (select .cse42 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse41 (select .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse39 (store .cse42 .cse5 (+ .cse40 .cse41)))) (store .cse39 .cse12 (+ .cse40 .cse41 (select (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (let ((.cse35 (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse37))) (let ((.cse36 (select .cse35 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse33 (select .cse36 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse34 (select .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse32 (store .cse36 .cse8 (+ .cse33 .cse34)))) (store .cse32 .cse2 (+ .cse33 .cse34 (select (select (store .cse35 |c_ULTIMATE.start_main_~c~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5)))))))))) .cse8) 1) .cse18) (or .cse19 (and (or (= (select (let ((.cse57 (store .cse31 .cse58 .cse45))) (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse57))) (let ((.cse51 (let ((.cse56 (select .cse52 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse54 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse55 (select .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse53 (store .cse56 .cse5 (+ .cse54 .cse55)))) (store .cse53 .cse12 (+ .cse54 (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse55))))))) (let ((.cse48 (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse51))) (let ((.cse50 (select .cse48 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse47 (select .cse50 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse49 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse46 (store .cse50 .cse8 (+ .cse47 .cse49)))) (store .cse46 .cse2 (+ .cse47 (select (select (store .cse48 |c_ULTIMATE.start_main_~c~0#1.base| .cse46) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse49))))))))) .cse8) 1) .cse59) (or (= (select (let ((.cse71 (store .cse31 .cse44 .cse45))) (let ((.cse66 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse71))) (let ((.cse65 (let ((.cse70 (select .cse66 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse69 (select .cse71 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse67 (store .cse70 .cse5 (+ .cse68 .cse69)))) (store .cse67 .cse12 (+ (select (select (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse68 .cse69))))))) (let ((.cse61 (store .cse66 |c_ULTIMATE.start_main_~b~0#1.base| .cse65))) (let ((.cse64 (select .cse61 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse62 (select .cse64 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse63 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse60 (store .cse64 .cse8 (+ .cse62 .cse63)))) (store .cse60 .cse2 (+ (select (select (store .cse61 |c_ULTIMATE.start_main_~c~0#1.base| .cse60) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse62 .cse63))))))))) .cse8) 1) .cse72))))) .cse0) (= 1 (select (let ((.cse77 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse75 (select .cse77 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse74 (store .cse77 .cse8 (+ .cse75 .cse76)))) (store .cse74 .cse2 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse74) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse75 .cse76))))) .cse8)) (= (select (let ((.cse83 (let ((.cse85 (select .cse87 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse84 (store .cse86 .cse5 (+ .cse85 .cse76)))) (store .cse84 .cse12 (+ .cse85 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse84) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse76)))))) (let ((.cse79 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse83))) (let ((.cse82 (select .cse79 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse80 (select .cse83 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse81 (select .cse82 |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse78 (store .cse82 .cse8 (+ .cse80 .cse81)))) (store .cse78 .cse2 (+ (select (select (store .cse79 |c_ULTIMATE.start_main_~c~0#1.base| .cse78) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse80 .cse81))))))) .cse8) 1) (or (let ((.cse101 (+ 12 .cse127))) (and (or (= (select (let ((.cse99 (store .cse100 .cse58 .cse101))) (let ((.cse94 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse99))) (let ((.cse93 (let ((.cse98 (select .cse94 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse96 (select .cse99 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse97 (select .cse98 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse95 (store .cse98 .cse5 (+ .cse96 .cse97)))) (store .cse95 .cse12 (+ (select (select (store .cse94 |c_ULTIMATE.start_main_~b~0#1.base| .cse95) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse96 .cse97))))))) (let ((.cse90 (store .cse94 |c_ULTIMATE.start_main_~b~0#1.base| .cse93))) (let ((.cse92 (select .cse90 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse89 (select .cse92 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse91 (select .cse93 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse88 (store .cse92 .cse8 (+ .cse89 .cse91)))) (store .cse88 .cse2 (+ .cse89 (select (select (store .cse90 |c_ULTIMATE.start_main_~c~0#1.base| .cse88) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse91))))))))) .cse8) 1) .cse19) (or .cse18 (and (or (= (select (let ((.cse113 (store .cse114 .cse44 .cse101))) (let ((.cse108 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse113))) (let ((.cse107 (let ((.cse112 (select .cse108 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse110 (select .cse112 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse111 (select .cse113 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse109 (store .cse112 .cse5 (+ .cse110 .cse111)))) (store .cse109 .cse12 (+ .cse110 (select (select (store .cse108 |c_ULTIMATE.start_main_~b~0#1.base| .cse109) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse111))))))) (let ((.cse104 (store .cse108 |c_ULTIMATE.start_main_~b~0#1.base| .cse107))) (let ((.cse106 (select .cse104 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse103 (select .cse106 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse105 (select .cse107 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse102 (store .cse106 .cse8 (+ .cse103 .cse105)))) (store .cse102 .cse2 (+ .cse103 (select (select (store .cse104 |c_ULTIMATE.start_main_~c~0#1.base| .cse102) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse105))))))))) .cse8) 1) .cse72) (or (= (select (let ((.cse126 (store .cse114 .cse58 .cse101))) (let ((.cse121 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse126))) (let ((.cse120 (let ((.cse125 (select .cse121 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse123 (select .cse126 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse124 (select .cse125 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse122 (store .cse125 .cse5 (+ .cse123 .cse124)))) (store .cse122 .cse12 (+ .cse123 .cse124 (select (select (store .cse121 |c_ULTIMATE.start_main_~b~0#1.base| .cse122) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (let ((.cse118 (store .cse121 |c_ULTIMATE.start_main_~b~0#1.base| .cse120))) (let ((.cse119 (select .cse118 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse116 (select .cse119 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse117 (select .cse120 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse115 (store .cse119 .cse8 (+ .cse116 .cse117)))) (store .cse115 .cse2 (+ .cse116 .cse117 (select (select (store .cse118 |c_ULTIMATE.start_main_~c~0#1.base| .cse115) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5)))))))))) .cse8) 1) .cse59))))) .cse128) (or (and (or (= (select (let ((.cse135 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse100))) (let ((.cse134 (let ((.cse139 (select .cse135 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse137 (select .cse139 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse138 (select .cse100 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse136 (store .cse139 .cse5 (+ .cse137 .cse138)))) (store .cse136 .cse12 (+ .cse137 (select (select (store .cse135 |c_ULTIMATE.start_main_~b~0#1.base| .cse136) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse138))))))) (let ((.cse130 (store .cse135 |c_ULTIMATE.start_main_~b~0#1.base| .cse134))) (let ((.cse133 (select .cse130 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse131 (select .cse133 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse132 (select .cse134 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse129 (store .cse133 .cse8 (+ .cse131 .cse132)))) (store .cse129 .cse2 (+ (select (select (store .cse130 |c_ULTIMATE.start_main_~c~0#1.base| .cse129) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse131 .cse132)))))))) .cse8) 1) .cse19) (or .cse18 (= (select (let ((.cse146 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse114))) (let ((.cse145 (let ((.cse150 (select .cse146 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse148 (select .cse150 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse149 (select .cse114 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse147 (store .cse150 .cse5 (+ .cse148 .cse149)))) (store .cse147 .cse12 (+ .cse148 .cse149 (select (select (store .cse146 |c_ULTIMATE.start_main_~b~0#1.base| .cse147) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (let ((.cse141 (store .cse146 |c_ULTIMATE.start_main_~b~0#1.base| .cse145))) (let ((.cse144 (select .cse141 |c_ULTIMATE.start_main_~c~0#1.base|))) (let ((.cse142 (select .cse144 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse143 (select .cse145 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse140 (store .cse144 .cse8 (+ .cse142 .cse143)))) (store .cse140 .cse2 (+ (select (select (store .cse141 |c_ULTIMATE.start_main_~c~0#1.base| .cse140) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse142 .cse143)))))))) .cse8) 1))) .cse128))))))) is different from true [2021-11-20 23:24:17,265 WARN L227 SmtUtils]: Spent 20.51s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:24:35,633 WARN L227 SmtUtils]: Spent 15.04s on a formula simplification. DAG size of input: 262 DAG size of output: 107 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:24:38,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:24:40,448 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:24:42,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:25:59,364 WARN L227 SmtUtils]: Spent 43.95s on a formula simplification that was a NOOP. DAG size: 193 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:26:01,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:03,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:06,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:08,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:11,088 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:13,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:15,908 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:17,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:19,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:21,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:24,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:26:25,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []