./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_two_index_09.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_two_index_09.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF --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 c10901f6cd435bfce49587e6dcf9dfedb0e3885a1bcbcf1013c88383e8232647 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:41:54,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:41:54,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:41:54,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:41:54,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:41:54,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:41:54,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:41:54,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:41:54,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:41:54,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:41:54,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:41:54,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:41:54,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:41:54,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:41:54,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:41:54,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:41:54,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:41:54,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:41:54,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:41:54,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:41:54,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:41:54,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:41:54,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:41:54,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:41:54,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:41:54,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:41:54,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:41:54,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:41:54,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:41:54,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:41:54,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:41:54,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:41:54,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:41:54,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:41:54,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:41:54,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:41:54,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:41:54,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:41:54,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:41:54,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:41:54,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:41:54,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:41:54,779 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:41:54,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:41:54,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:41:54,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:41:54,780 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:41:54,781 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:41:54,781 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:41:54,781 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:41:54,781 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:41:54,782 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:41:54,782 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:41:54,782 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:41:54,782 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:41:54,783 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:41:54,783 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:41:54,783 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:41:54,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:41:54,784 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:41:54,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:41:54,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:41:54,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:41:54,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:41:54,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:41:54,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:41:54,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:41:54,786 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:41:54,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:41:54,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:41:54,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:41:54,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:41:54,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:41:54,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:41:54,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:41:54,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:41:54,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:41:54,788 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:41:54,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:41:54,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:41:54,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:41:54,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:41:54,789 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_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c10901f6cd435bfce49587e6dcf9dfedb0e3885a1bcbcf1013c88383e8232647 [2021-11-12 23:41:55,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:41:55,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:41:55,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:41:55,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:41:55,152 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:41:55,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-examples/standard_two_index_09.i [2021-11-12 23:41:55,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/data/558434e4d/c724de460193433197dc25af332c78c1/FLAG4e5401bf9 [2021-11-12 23:41:55,783 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:41:55,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/sv-benchmarks/c/array-examples/standard_two_index_09.i [2021-11-12 23:41:55,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/data/558434e4d/c724de460193433197dc25af332c78c1/FLAG4e5401bf9 [2021-11-12 23:41:56,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/data/558434e4d/c724de460193433197dc25af332c78c1 [2021-11-12 23:41:56,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:41:56,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:41:56,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:41:56,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:41:56,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:41:56,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3c16a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56, skipping insertion in model container [2021-11-12 23:41:56,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:41:56,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:41:56,385 WARN L228 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_0507810d-5d7c-49b8-b897-8d50ee4784d2/sv-benchmarks/c/array-examples/standard_two_index_09.i[814,827] [2021-11-12 23:41:56,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:41:56,405 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:41:56,418 WARN L228 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_0507810d-5d7c-49b8-b897-8d50ee4784d2/sv-benchmarks/c/array-examples/standard_two_index_09.i[814,827] [2021-11-12 23:41:56,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:41:56,441 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:41:56,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56 WrapperNode [2021-11-12 23:41:56,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:41:56,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:41:56,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:41:56,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:41:56,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:41:56,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:41:56,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:41:56,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:41:56,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:41:56,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:41:56,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:41:56,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:41:56,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56" (1/1) ... [2021-11-12 23:41:56,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:41:56,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:41:56,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:41:56,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:41:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:41:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:41:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:41:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:41:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:41:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:41:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:41:56,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:41:56,913 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-12 23:41:56,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:41:56 BoogieIcfgContainer [2021-11-12 23:41:56,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:41:56,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:41:56,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:41:56,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:41:56,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:41:56" (1/3) ... [2021-11-12 23:41:56,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a86dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:41:56, skipping insertion in model container [2021-11-12 23:41:56,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:56" (2/3) ... [2021-11-12 23:41:56,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a86dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:41:56, skipping insertion in model container [2021-11-12 23:41:56,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:41:56" (3/3) ... [2021-11-12 23:41:56,923 INFO L111 eAbstractionObserver]: Analyzing ICFG standard_two_index_09.i [2021-11-12 23:41:56,928 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:41:56,929 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:41:56,987 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:41:57,009 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 [2021-11-12 23:41:57,009 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:41:57,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-11-12 23:41:57,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-12 23:41:57,062 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:57,063 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-12 23:41:57,063 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:41:57,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:57,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1745982706, now seen corresponding path program 1 times [2021-11-12 23:41:57,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:41:57,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789708036] [2021-11-12 23:41:57,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:57,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:41:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:41:57,236 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:41:57,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789708036] [2021-11-12 23:41:57,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789708036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:57,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:57,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:41:57,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138717665] [2021-11-12 23:41:57,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:57,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:41:57,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:41:57,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:41:57,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:41:57,275 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-12 23:41:57,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:57,310 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2021-11-12 23:41:57,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:41:57,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-12 23:41:57,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:57,320 INFO L225 Difference]: With dead ends: 17 [2021-11-12 23:41:57,321 INFO L226 Difference]: Without dead ends: 9 [2021-11-12 23:41:57,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:41:57,328 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.58ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.07ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:57,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 12 Unknown, 0 Unchecked, 0.58ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 19.07ms Time] [2021-11-12 23:41:57,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-12 23:41:57,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-12 23:41:57,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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) [2021-11-12 23:41:57,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-12 23:41:57,360 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 6 [2021-11-12 23:41:57,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:57,361 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-12 23:41:57,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-12 23:41:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-12 23:41:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:41:57,362 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:57,362 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:57,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:41:57,363 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:41:57,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:57,364 INFO L85 PathProgramCache]: Analyzing trace with hash 276578033, now seen corresponding path program 1 times [2021-11-12 23:41:57,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:41:57,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110142027] [2021-11-12 23:41:57,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:57,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:41:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:41:57,413 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:41:57,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110142027] [2021-11-12 23:41:57,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110142027] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:41:57,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686084964] [2021-11-12 23:41:57,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:57,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:41:57,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:41:57,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:41:57,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:41:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:57,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:41:57,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:41:57,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:41:57,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686084964] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:57,609 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:41:57,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 5 [2021-11-12 23:41:57,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323876102] [2021-11-12 23:41:57,611 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:57,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:41:57,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:41:57,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:41:57,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:57,614 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2021-11-12 23:41:57,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:57,666 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-11-12 23:41:57,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:57,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 7 [2021-11-12 23:41:57,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:57,673 INFO L225 Difference]: With dead ends: 24 [2021-11-12 23:41:57,673 INFO L226 Difference]: Without dead ends: 18 [2021-11-12 23:41:57,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:57,676 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.23ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.50ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:57,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 6 Invalid, 23 Unknown, 0 Unchecked, 3.23ms Time], IncrementalHoareTripleChecker [9 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 37.50ms Time] [2021-11-12 23:41:57,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-12 23:41:57,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 12. [2021-11-12 23:41:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:41:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2021-11-12 23:41:57,694 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 7 [2021-11-12 23:41:57,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:57,694 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-11-12 23:41:57,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2021-11-12 23:41:57,695 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-12 23:41:57,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:41:57,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:57,696 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:57,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:57,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:41:57,911 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:41:57,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:57,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1613563666, now seen corresponding path program 1 times [2021-11-12 23:41:57,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:41:57,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371865931] [2021-11-12 23:41:57,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:57,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:41:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-12 23:41:58,007 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:41:58,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371865931] [2021-11-12 23:41:58,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371865931] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:41:58,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871193899] [2021-11-12 23:41:58,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:58,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:41:58,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:41:58,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:41:58,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:41:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:58,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:58,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-12 23:41:58,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-12 23:41:58,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871193899] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:41:58,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1725853994] [2021-11-12 23:41:58,214 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:41:58,214 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:41:58,219 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:41:58,224 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:41:58,225 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:41:58,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:41:58,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:41:58,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:41:58,293 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 36=[|v_#valid_29|]} [2021-11-12 23:41:58,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:41:58,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:41:58,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:41:58,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:41:58,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:58,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,400 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:41:58,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:41:58,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:41:58,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:41:58,408 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:41:58,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:58,422 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:41:58,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:41:58,429 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:41:58,439 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:41:58,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:41:58,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:41:58,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:41:58,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:41:58,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:41:58,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-12 23:41:58,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-12 23:41:58,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:41:58,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:41:58,485 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:41:58,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:58,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-12 23:41:58,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:41:58,510 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:137 [2021-11-12 23:41:58,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:58,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:58,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:58,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,709 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:41:58,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:41:58,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2021-11-12 23:41:58,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-12 23:41:58,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-12 23:41:58,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:41:58,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:41:58,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:41:58,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:41:58,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:41:58,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-12 23:41:58,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:41:58,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:41:58,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:41:58,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:41:58,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:41:58,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:41:58,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-12 23:41:58,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:58,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-12 23:41:58,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-12 23:41:58,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:41:58,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:41:58,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:41:58,934 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:41:58,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:58,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-12 23:41:58,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:41:58,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:58,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:41:58,976 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:41:58,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,049 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.3 percent of original size [2021-11-12 23:41:59,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-12 23:41:59,058 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:41:59,058 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:437, output treesize:335 [2021-11-12 23:41:59,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,127 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:41:59,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:59,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:59,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:41:59,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:41:59,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:59,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:41:59,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:41:59,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:41:59,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:41:59,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:41:59,147 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:41:59,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:41:59,154 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:41:59,154 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:41:59,160 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:41:59,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:41:59,165 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:41:59,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:59,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:41:59,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:41:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:59,178 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 17 treesize of output 17 [2021-11-12 23:41:59,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:41:59,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:41:59,180 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:41:59,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:41:59,185 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:41:59,186 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2021-11-12 23:41:59,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:59,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,220 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:59,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:41:59,222 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:59,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:41:59,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:41:59,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:59,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-12 23:41:59,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-12 23:41:59,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:59,247 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 25 treesize of output 25 [2021-11-12 23:41:59,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:41:59,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:41:59,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:41:59,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:59,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:59,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:41:59,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:41:59,277 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-12 23:41:59,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 48 [2021-11-12 23:41:59,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:41:59,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:41:59,286 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:41:59,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,319 INFO L180 QuantifierPusher]: treesize reduction 98, result has 58.8 percent of original size [2021-11-12 23:41:59,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 23:41:59,322 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:41:59,323 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:242, output treesize:140 [2021-11-12 23:41:59,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,365 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:41:59,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:41:59,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:41:59,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:41:59,389 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:41:59,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:41:59,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:41:59,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:41:59,393 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:41:59,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:41:59,395 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:41:59,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:41:59,397 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:41:59,398 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:41:59,403 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:41:59,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:41:59,413 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:41:59,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:41:59,794 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:41:59,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2021-11-12 23:41:59,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079603496] [2021-11-12 23:41:59,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:41:59,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:41:59,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:41:59,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:41:59,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:41:59,796 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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) [2021-11-12 23:41:59,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:59,871 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2021-11-12 23:41:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:41:59,872 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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 10 [2021-11-12 23:41:59,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:59,872 INFO L225 Difference]: With dead ends: 48 [2021-11-12 23:41:59,873 INFO L226 Difference]: Without dead ends: 40 [2021-11-12 23:41:59,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:41:59,874 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 31 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.49ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.15ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:59,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 21 Invalid, 64 Unknown, 0 Unchecked, 1.49ms Time], IncrementalHoareTripleChecker [25 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 61.15ms Time] [2021-11-12 23:41:59,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-12 23:41:59,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 20. [2021-11-12 23:41:59,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 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) [2021-11-12 23:41:59,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-11-12 23:41:59,879 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 10 [2021-11-12 23:41:59,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:59,880 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-11-12 23:41:59,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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) [2021-11-12 23:41:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-11-12 23:41:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-12 23:41:59,881 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:59,881 INFO L514 BasicCegarLoop]: trace histogram [8, 4, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:59,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:00,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:00,099 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:42:00,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:00,099 INFO L85 PathProgramCache]: Analyzing trace with hash 834469774, now seen corresponding path program 2 times [2021-11-12 23:42:00,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:42:00,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632410354] [2021-11-12 23:42:00,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:00,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:42:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:00,210 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-12 23:42:00,210 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:42:00,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632410354] [2021-11-12 23:42:00,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632410354] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:42:00,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905562476] [2021-11-12 23:42:00,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:42:00,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:00,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:42:00,212 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:42:00,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:42:00,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-12 23:42:00,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:42:00,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:42:00,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-12 23:42:00,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-12 23:42:00,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905562476] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:42:00,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [136021020] [2021-11-12 23:42:00,406 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:42:00,406 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:42:00,406 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:42:00,406 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:42:00,407 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:42:00,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:42:00,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:00,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:42:00,421 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 36=[|v_#valid_30|]} [2021-11-12 23:42:00,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:42:00,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:00,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:00,437 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:00,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,483 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:42:00,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:42:00,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:00,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:00,489 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:00,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:42:00,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:00,500 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:42:00,504 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:42:00,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:42:00,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:00,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:42:00,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:00,524 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:42:00,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-12 23:42:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-12 23:42:00,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:42:00,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:42:00,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:00,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-12 23:42:00,558 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:00,558 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:137 [2021-11-12 23:42:00,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:00,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:00,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:42:00,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:00,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2021-11-12 23:42:00,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-12 23:42:00,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-12 23:42:00,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:00,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:00,709 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,710 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:42:00,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-12 23:42:00,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:42:00,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:00,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:00,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:00,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:42:00,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:42:00,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-12 23:42:00,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-12 23:42:00,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-12 23:42:00,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:42:00,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:00,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:00,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:00,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:00,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-12 23:42:00,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:42:00,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:42:00,803 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:00,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,847 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,862 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.3 percent of original size [2021-11-12 23:42:00,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-12 23:42:00,876 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:00,877 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:437, output treesize:335 [2021-11-12 23:42:00,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,953 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:42:00,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:00,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:42:00,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:00,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:00,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:42:00,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:00,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:00,974 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:00,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:00,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:00,979 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:00,979 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:42:00,987 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:42:00,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:00,993 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:42:00,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:00,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:00,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:42:00,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:42:01,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:01,004 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 17 treesize of output 17 [2021-11-12 23:42:01,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:42:01,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:42:01,006 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:01,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:42:01,016 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:01,016 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2021-11-12 23:42:01,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:01,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:01,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:42:01,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:01,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:01,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:42:01,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:01,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-12 23:42:01,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-12 23:42:01,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:01,075 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 25 treesize of output 25 [2021-11-12 23:42:01,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:01,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:01,077 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:01,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:01,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:01,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:42:01,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:01,099 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-12 23:42:01,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 48 [2021-11-12 23:42:01,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:42:01,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:42:01,102 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:01,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,119 INFO L180 QuantifierPusher]: treesize reduction 98, result has 58.8 percent of original size [2021-11-12 23:42:01,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 23:42:01,121 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:01,122 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:242, output treesize:140 [2021-11-12 23:42:01,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,152 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:42:01,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:01,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:01,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:01,173 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:42:01,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:42:01,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:01,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:01,176 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:01,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:01,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:01,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:42:01,180 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:01,180 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:42:01,185 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:42:01,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:01,192 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:42:01,530 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:42:01,530 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:42:01,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-12 23:42:01,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306600296] [2021-11-12 23:42:01,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:42:01,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:42:01,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:42:01,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:42:01,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=176, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:42:01,534 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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) [2021-11-12 23:42:01,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:01,642 INFO L93 Difference]: Finished difference Result 84 states and 95 transitions. [2021-11-12 23:42:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:42:01,643 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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 18 [2021-11-12 23:42:01,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:01,644 INFO L225 Difference]: With dead ends: 84 [2021-11-12 23:42:01,645 INFO L226 Difference]: Without dead ends: 74 [2021-11-12 23:42:01,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=176, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:42:01,647 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 84 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.32ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.25ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:01,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 33 Invalid, 103 Unknown, 0 Unchecked, 2.32ms Time], IncrementalHoareTripleChecker [52 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 88.25ms Time] [2021-11-12 23:42:01,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-12 23:42:01,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 28. [2021-11-12 23:42:01,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 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) [2021-11-12 23:42:01,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2021-11-12 23:42:01,660 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 18 [2021-11-12 23:42:01,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:01,661 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2021-11-12 23:42:01,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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) [2021-11-12 23:42:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-11-12 23:42:01,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:42:01,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:01,662 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:01,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:01,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-11-12 23:42:01,891 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:42:01,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:01,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1432723566, now seen corresponding path program 3 times [2021-11-12 23:42:01,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:42:01,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267009516] [2021-11-12 23:42:01,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:01,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:42:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:42:02,040 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:42:02,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267009516] [2021-11-12 23:42:02,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267009516] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:42:02,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890934404] [2021-11-12 23:42:02,041 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:42:02,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:02,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:42:02,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:42:02,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 23:42:02,116 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:42:02,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:42:02,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:42:02,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:42:02,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:42:02,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890934404] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:42:02,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1989801668] [2021-11-12 23:42:02,526 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:42:02,526 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:42:02,526 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:42:02,526 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:42:02,526 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:42:02,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:02,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:42:02,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:42:02,541 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 36=[|v_#valid_31|]} [2021-11-12 23:42:02,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:42:02,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:02,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:02,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:02,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,614 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:42:02,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:42:02,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:02,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:02,619 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:02,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:42:02,629 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:02,629 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:42:02,633 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:42:02,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:42:02,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:02,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:42:02,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:02,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:42:02,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-12 23:42:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-12 23:42:02,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:42:02,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:42:02,672 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:02,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-12 23:42:02,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:02,684 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:137 [2021-11-12 23:42:02,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:02,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:02,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:02,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:42:02,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2021-11-12 23:42:02,772 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-12 23:42:02,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-12 23:42:02,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:02,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:02,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:42:02,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-12 23:42:02,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:42:02,802 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:02,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:02,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,806 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:02,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:42:02,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:42:02,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-12 23:42:02,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-12 23:42:02,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-12 23:42:02,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:42:02,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:02,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:02,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:02,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:02,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-12 23:42:02,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:42:02,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:42:02,869 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:02,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,923 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.3 percent of original size [2021-11-12 23:42:02,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-12 23:42:02,930 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:02,930 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:437, output treesize:335 [2021-11-12 23:42:02,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:02,985 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:42:02,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:02,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:42:02,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:02,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:02,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:02,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:42:02,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:02,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:02,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:02,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:02,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:03,004 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:03,005 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:42:03,009 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:42:03,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:03,013 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:42:03,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:03,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:03,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:42:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:03,023 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 25 treesize of output 25 [2021-11-12 23:42:03,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:03,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:03,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:03,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:42:03,029 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:03,030 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:65 [2021-11-12 23:42:03,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:03,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:03,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:42:03,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:03,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:03,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-11-12 23:42:03,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:03,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:42:03,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-11-12 23:42:03,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:03,075 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 25 treesize of output 25 [2021-11-12 23:42:03,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:03,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:03,077 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:03,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:03,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:42:03,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:03,099 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:42:03,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 56 [2021-11-12 23:42:03,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:42:03,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:42:03,103 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:03,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,120 INFO L180 QuantifierPusher]: treesize reduction 98, result has 60.2 percent of original size [2021-11-12 23:42:03,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-12 23:42:03,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:03,122 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:250, output treesize:148 [2021-11-12 23:42:03,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,157 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:42:03,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:03,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:03,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:03,178 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:42:03,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:42:03,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:03,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:03,181 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:03,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:03,184 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:03,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:42:03,186 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:03,186 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:42:03,191 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:42:03,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:03,197 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:42:03,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:42:03,540 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:42:03,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 34 [2021-11-12 23:42:03,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861763015] [2021-11-12 23:42:03,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:42:03,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-12 23:42:03,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:42:03,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-12 23:42:03,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=810, Unknown=0, NotChecked=0, Total=1482 [2021-11-12 23:42:03,543 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 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) [2021-11-12 23:42:03,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:03,720 INFO L93 Difference]: Finished difference Result 133 states and 160 transitions. [2021-11-12 23:42:03,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-12 23:42:03,721 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 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 26 [2021-11-12 23:42:03,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:03,723 INFO L225 Difference]: With dead ends: 133 [2021-11-12 23:42:03,723 INFO L226 Difference]: Without dead ends: 117 [2021-11-12 23:42:03,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=672, Invalid=810, Unknown=0, NotChecked=0, Total=1482 [2021-11-12 23:42:03,725 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 119 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.14ms SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.55ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:03,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 57 Invalid, 193 Unknown, 0 Unchecked, 3.14ms Time], IncrementalHoareTripleChecker [97 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 118.55ms Time] [2021-11-12 23:42:03,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-11-12 23:42:03,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 52. [2021-11-12 23:42:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 51 states have internal predecessors, (54), 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) [2021-11-12 23:42:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2021-11-12 23:42:03,734 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 26 [2021-11-12 23:42:03,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:03,735 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2021-11-12 23:42:03,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 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) [2021-11-12 23:42:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2021-11-12 23:42:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-12 23:42:03,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:03,737 INFO L514 BasicCegarLoop]: trace histogram [31, 13, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:03,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:03,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:03,959 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:42:03,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:03,959 INFO L85 PathProgramCache]: Analyzing trace with hash -862233097, now seen corresponding path program 4 times [2021-11-12 23:42:03,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:42:03,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265210808] [2021-11-12 23:42:03,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:03,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:42:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2021-11-12 23:42:04,198 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:42:04,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265210808] [2021-11-12 23:42:04,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265210808] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:42:04,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261526882] [2021-11-12 23:42:04,199 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-12 23:42:04,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:04,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:42:04,200 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:42:04,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-12 23:42:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:04,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-12 23:42:04,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:04,666 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-12 23:42:04,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-12 23:42:05,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261526882] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:42:05,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1744887167] [2021-11-12 23:42:05,638 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:42:05,638 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:42:05,639 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:42:05,639 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:42:05,639 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:42:05,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:42:05,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:05,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:42:05,651 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 36=[|v_#valid_32|]} [2021-11-12 23:42:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:42:05,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:05,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:05,669 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:05,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:05,674 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,711 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:42:05,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:42:05,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:05,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:05,716 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:05,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:05,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:42:05,724 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:05,724 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:42:05,727 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:42:05,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:05,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:05,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:05,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:42:05,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:42:05,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:42:05,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:42:05,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:05,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:05,753 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:05,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:05,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:42:05,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:05,764 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:149 [2021-11-12 23:42:05,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:05,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:05,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:05,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:05,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:42:05,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-12 23:42:05,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-12 23:42:05,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-12 23:42:05,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:05,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:05,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:05,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:42:05,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:05,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:05,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:42:05,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:05,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:05,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:42:05,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:42:05,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-12 23:42:05,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-12 23:42:05,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:05,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-12 23:42:05,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-12 23:42:05,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-12 23:42:05,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:42:05,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:42:05,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:05,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:05,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:42:05,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:05,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:05,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:05,959 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:05,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:05,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,003 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.9 percent of original size [2021-11-12 23:42:06,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-12 23:42:06,009 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:06,010 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:447, output treesize:345 [2021-11-12 23:42:06,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,059 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:42:06,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:06,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:06,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:06,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:42:06,065 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:06,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:06,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:06,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:42:06,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:06,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:06,078 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:06,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:06,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:06,083 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:42:06,087 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:42:06,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:06,091 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:42:06,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:06,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:42:06,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 23:42:06,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:06,101 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 20 treesize of output 20 [2021-11-12 23:42:06,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:06,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:06,103 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:06,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,105 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:42:06,107 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:06,107 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:58 [2021-11-12 23:42:06,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:06,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:06,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:06,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:06,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:42:06,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 23:42:06,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:06,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-12 23:42:06,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-11-12 23:42:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:06,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:06,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:42:06,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:06,164 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:42:06,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 51 [2021-11-12 23:42:06,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:42:06,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:42:06,168 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:06,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:06,177 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 25 treesize of output 25 [2021-11-12 23:42:06,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:06,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:06,180 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:06,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,196 INFO L180 QuantifierPusher]: treesize reduction 98, result has 59.3 percent of original size [2021-11-12 23:42:06,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-12 23:42:06,199 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:06,199 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:245, output treesize:143 [2021-11-12 23:42:06,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,238 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:42:06,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:06,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:06,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:06,262 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:42:06,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:42:06,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:06,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:06,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:06,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:06,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:06,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:42:06,269 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:06,269 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:42:06,273 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:42:06,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:06,279 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:42:06,605 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:42:06,605 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:42:06,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 33, 33] total 77 [2021-11-12 23:42:06,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027806119] [2021-11-12 23:42:06,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:42:06,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2021-11-12 23:42:06,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:42:06,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-11-12 23:42:06,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3166, Invalid=3476, Unknown=0, NotChecked=0, Total=6642 [2021-11-12 23:42:06,612 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 77 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 77 states have internal predecessors, (88), 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) [2021-11-12 23:42:07,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:07,189 INFO L93 Difference]: Finished difference Result 209 states and 260 transitions. [2021-11-12 23:42:07,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-12 23:42:07,190 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 77 states have internal predecessors, (88), 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 50 [2021-11-12 23:42:07,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:07,192 INFO L225 Difference]: With dead ends: 209 [2021-11-12 23:42:07,192 INFO L226 Difference]: Without dead ends: 190 [2021-11-12 23:42:07,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3797 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=3166, Invalid=3476, Unknown=0, NotChecked=0, Total=6642 [2021-11-12 23:42:07,196 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 207 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.11ms SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 210.81ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:07,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 93 Invalid, 391 Unknown, 0 Unchecked, 4.11ms Time], IncrementalHoareTripleChecker [216 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 210.81ms Time] [2021-11-12 23:42:07,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-12 23:42:07,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 100. [2021-11-12 23:42:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.0303030303030303) internal successors, (102), 99 states have internal predecessors, (102), 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) [2021-11-12 23:42:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2021-11-12 23:42:07,212 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 50 [2021-11-12 23:42:07,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:07,212 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2021-11-12 23:42:07,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 77 states have internal predecessors, (88), 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) [2021-11-12 23:42:07,213 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2021-11-12 23:42:07,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-12 23:42:07,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:07,217 INFO L514 BasicCegarLoop]: trace histogram [74, 18, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:07,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:07,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:07,433 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:42:07,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:07,434 INFO L85 PathProgramCache]: Analyzing trace with hash 832418414, now seen corresponding path program 5 times [2021-11-12 23:42:07,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:42:07,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944418236] [2021-11-12 23:42:07,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:07,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:42:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 2775 trivial. 0 not checked. [2021-11-12 23:42:07,749 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:42:07,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944418236] [2021-11-12 23:42:07,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944418236] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:42:07,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652698506] [2021-11-12 23:42:07,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:42:07,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:07,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:42:07,750 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:42:07,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-12 23:42:17,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-11-12 23:42:17,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:42:17,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-12 23:42:17,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 2775 trivial. 0 not checked. [2021-11-12 23:42:18,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 2775 trivial. 0 not checked. [2021-11-12 23:42:18,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652698506] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:42:18,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [48967320] [2021-11-12 23:42:18,737 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:42:18,738 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:42:18,738 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:42:18,738 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:42:18,738 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:42:18,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:42:18,746 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:18,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:42:18,752 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 36=[|v_#valid_33|]} [2021-11-12 23:42:18,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:42:18,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:18,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:18,769 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:18,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:18,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,805 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:42:18,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:42:18,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:18,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:18,809 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:18,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:18,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:42:18,817 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:18,818 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:42:18,821 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:42:18,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:42:18,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:18,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,827 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:42:18,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:18,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:42:18,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-12 23:42:18,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:18,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-12 23:42:18,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:42:18,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:42:18,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:18,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:18,855 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-12 23:42:18,859 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:18,859 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:137 [2021-11-12 23:42:18,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:18,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:18,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:18,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:18,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:18,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:18,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:42:18,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2021-11-12 23:42:18,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-12 23:42:18,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-12 23:42:18,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:18,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:18,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:42:18,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-12 23:42:18,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:42:18,959 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:18,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:18,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:18,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:42:18,964 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:42:18,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-12 23:42:18,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:18,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:18,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-12 23:42:18,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-12 23:42:19,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:19,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:19,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:42:19,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:19,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:19,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:19,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:19,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:19,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:19,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-12 23:42:19,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:42:19,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:42:19,029 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:19,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,068 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.3 percent of original size [2021-11-12 23:42:19,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-12 23:42:19,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:19,074 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:437, output treesize:335 [2021-11-12 23:42:19,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,120 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:42:19,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:19,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:19,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:19,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:42:19,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:19,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:19,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:19,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:42:19,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:19,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:19,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:19,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:19,139 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:19,140 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:42:19,144 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:42:19,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:19,147 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:42:19,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:19,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:42:19,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 23:42:19,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:19,157 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 20 treesize of output 20 [2021-11-12 23:42:19,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:19,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:19,159 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:19,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,161 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:42:19,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:19,163 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:58 [2021-11-12 23:42:19,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:19,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:19,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:42:19,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:19,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:19,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 23:42:19,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:19,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-12 23:42:19,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-11-12 23:42:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:19,202 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 25 treesize of output 25 [2021-11-12 23:42:19,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:19,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:19,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:19,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:19,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:19,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:42:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:19,224 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:42:19,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 51 [2021-11-12 23:42:19,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:42:19,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:42:19,228 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:19,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,241 INFO L180 QuantifierPusher]: treesize reduction 98, result has 59.3 percent of original size [2021-11-12 23:42:19,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-12 23:42:19,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:19,243 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:245, output treesize:143 [2021-11-12 23:42:19,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,269 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:42:19,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:19,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:19,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:19,297 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:42:19,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:42:19,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:19,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:19,300 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:19,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:19,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:19,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:42:19,304 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:19,305 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:42:19,310 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:42:19,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:19,317 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:42:19,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:42:19,647 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:42:19,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 41 [2021-11-12 23:42:19,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590765516] [2021-11-12 23:42:19,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:42:19,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-11-12 23:42:19,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:42:19,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-11-12 23:42:19,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=956, Invalid=1114, Unknown=0, NotChecked=0, Total=2070 [2021-11-12 23:42:19,650 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand has 41 states, 41 states have (on average 1.146341463414634) internal successors, (47), 41 states have internal predecessors, (47), 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) [2021-11-12 23:42:20,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:20,015 INFO L93 Difference]: Finished difference Result 311 states and 333 transitions. [2021-11-12 23:42:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-12 23:42:20,015 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.146341463414634) internal successors, (47), 41 states have internal predecessors, (47), 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 98 [2021-11-12 23:42:20,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:20,020 INFO L225 Difference]: With dead ends: 311 [2021-11-12 23:42:20,020 INFO L226 Difference]: Without dead ends: 306 [2021-11-12 23:42:20,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=956, Invalid=1114, Unknown=0, NotChecked=0, Total=2070 [2021-11-12 23:42:20,022 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 388 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 172.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.22ms SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 211.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:20,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [388 Valid, 117 Invalid, 379 Unknown, 0 Unchecked, 4.22ms Time], IncrementalHoareTripleChecker [216 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 211.83ms Time] [2021-11-12 23:42:20,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-11-12 23:42:20,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 120. [2021-11-12 23:42:20,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 119 states have (on average 1.0252100840336134) internal successors, (122), 119 states have internal predecessors, (122), 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) [2021-11-12 23:42:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 122 transitions. [2021-11-12 23:42:20,039 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 122 transitions. Word has length 98 [2021-11-12 23:42:20,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:20,039 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 122 transitions. [2021-11-12 23:42:20,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.146341463414634) internal successors, (47), 41 states have internal predecessors, (47), 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) [2021-11-12 23:42:20,040 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 122 transitions. [2021-11-12 23:42:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-12 23:42:20,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:20,044 INFO L514 BasicCegarLoop]: trace histogram [74, 38, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:20,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:20,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:20,245 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:42:20,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:20,246 INFO L85 PathProgramCache]: Analyzing trace with hash 37224814, now seen corresponding path program 6 times [2021-11-12 23:42:20,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:42:20,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997551448] [2021-11-12 23:42:20,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:20,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:42:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3516 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 2775 trivial. 0 not checked. [2021-11-12 23:42:21,134 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:42:21,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997551448] [2021-11-12 23:42:21,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997551448] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:42:21,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122427868] [2021-11-12 23:42:21,134 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:42:21,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:21,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:42:21,138 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:42:21,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-12 23:42:21,294 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:42:21,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:42:21,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-12 23:42:21,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:22,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3516 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-11-12 23:42:22,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3516 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-11-12 23:42:26,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122427868] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:42:26,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [356519622] [2021-11-12 23:42:26,426 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:42:26,426 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:42:26,426 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:42:26,426 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:42:26,427 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:42:26,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:42:26,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:26,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:42:26,454 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 36=[|v_#valid_34|]} [2021-11-12 23:42:26,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:42:26,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:26,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:26,471 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,475 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,507 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:42:26,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:42:26,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:26,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:26,512 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:42:26,521 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,521 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:42:26,525 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:42:26,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:26,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:26,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:26,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:42:26,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:42:26,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:42:26,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:42:26,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:26,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:26,548 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:42:26,557 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,557 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:149 [2021-11-12 23:42:26,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,613 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:26,615 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:42:26,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-12 23:42:26,620 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-12 23:42:26,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-12 23:42:26,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:26,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:26,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:26,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:26,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:42:26,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:42:26,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-12 23:42:26,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:26,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:42:26,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:26,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:26,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:42:26,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-12 23:42:26,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-12 23:42:26,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-12 23:42:26,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:42:26,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:26,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:26,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-12 23:42:26,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:42:26,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:42:26,713 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,754 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.9 percent of original size [2021-11-12 23:42:26,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-12 23:42:26,761 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:26,762 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:447, output treesize:345 [2021-11-12 23:42:26,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,845 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:42:26,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:26,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:42:26,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:26,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:26,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:42:26,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:26,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:26,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:26,865 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,865 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:42:26,868 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:42:26,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:26,872 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:42:26,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:42:26,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 23:42:26,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,881 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 20 treesize of output 20 [2021-11-12 23:42:26,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:26,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:26,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:42:26,887 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,887 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:58 [2021-11-12 23:42:26,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:42:26,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:26,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 23:42:26,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-12 23:42:26,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-11-12 23:42:26,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:42:26,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,938 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:42:26,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 51 [2021-11-12 23:42:26,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:42:26,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:42:26,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:26,949 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 25 treesize of output 25 [2021-11-12 23:42:26,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:26,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:26,951 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:26,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,965 INFO L180 QuantifierPusher]: treesize reduction 98, result has 59.3 percent of original size [2021-11-12 23:42:26,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-12 23:42:26,967 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:26,967 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:245, output treesize:143 [2021-11-12 23:42:26,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:26,991 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:42:26,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:26,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:26,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:26,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:27,010 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:42:27,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:42:27,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:27,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:27,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:27,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:27,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:27,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:27,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:27,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:27,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:42:27,017 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:27,017 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:42:27,022 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:42:27,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:27,028 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:42:27,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:42:27,369 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:42:27,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 76, 76] total 183 [2021-11-12 23:42:27,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351687292] [2021-11-12 23:42:27,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:42:27,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 183 states [2021-11-12 23:42:27,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:42:27,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2021-11-12 23:42:27,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17211, Invalid=17945, Unknown=0, NotChecked=0, Total=35156 [2021-11-12 23:42:27,383 INFO L87 Difference]: Start difference. First operand 120 states and 122 transitions. Second operand has 183 states, 183 states have (on average 1.0874316939890711) internal successors, (199), 183 states have internal predecessors, (199), 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) [2021-11-12 23:42:30,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:30,137 INFO L93 Difference]: Finished difference Result 520 states and 639 transitions. [2021-11-12 23:42:30,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2021-11-12 23:42:30,139 INFO L78 Accepts]: Start accepts. Automaton has has 183 states, 183 states have (on average 1.0874316939890711) internal successors, (199), 183 states have internal predecessors, (199), 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 118 [2021-11-12 23:42:30,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:30,142 INFO L225 Difference]: With dead ends: 520 [2021-11-12 23:42:30,143 INFO L226 Difference]: Without dead ends: 476 [2021-11-12 23:42:30,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20201 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=17211, Invalid=17945, Unknown=0, NotChecked=0, Total=35156 [2021-11-12 23:42:30,149 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 1127 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 798 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 439.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1127 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.38ms SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 605.61ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:30,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1127 Valid, 222 Invalid, 1206 Unknown, 0 Unchecked, 11.38ms Time], IncrementalHoareTripleChecker [798 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 605.61ms Time] [2021-11-12 23:42:30,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-11-12 23:42:30,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 236. [2021-11-12 23:42:30,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.0127659574468084) internal successors, (238), 235 states have internal predecessors, (238), 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) [2021-11-12 23:42:30,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 238 transitions. [2021-11-12 23:42:30,171 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 238 transitions. Word has length 118 [2021-11-12 23:42:30,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:30,172 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 238 transitions. [2021-11-12 23:42:30,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 183 states, 183 states have (on average 1.0874316939890711) internal successors, (199), 183 states have internal predecessors, (199), 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) [2021-11-12 23:42:30,172 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 238 transitions. [2021-11-12 23:42:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-12 23:42:30,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:30,177 INFO L514 BasicCegarLoop]: trace histogram [180, 48, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:30,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:30,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:30,403 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:42:30,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:30,403 INFO L85 PathProgramCache]: Analyzing trace with hash 78713038, now seen corresponding path program 7 times [2021-11-12 23:42:30,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:42:30,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289173596] [2021-11-12 23:42:30,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:30,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:42:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:31,767 INFO L134 CoverageAnalysis]: Checked inductivity of 17466 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 16290 trivial. 0 not checked. [2021-11-12 23:42:31,767 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:42:31,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289173596] [2021-11-12 23:42:31,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289173596] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:42:31,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227048954] [2021-11-12 23:42:31,768 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-12 23:42:31,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:31,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:42:31,769 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:42:31,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-12 23:42:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:32,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 1429 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-12 23:42:32,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:34,607 INFO L134 CoverageAnalysis]: Checked inductivity of 17466 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-11-12 23:42:34,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 17466 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-11-12 23:42:51,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227048954] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:42:51,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1377758354] [2021-11-12 23:42:51,548 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:42:51,548 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:42:51,548 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:42:51,549 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:42:51,549 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:42:51,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:42:51,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:51,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:42:51,568 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|], 36=[|v_#valid_35|]} [2021-11-12 23:42:51,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:42:51,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:51,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:51,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:51,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,629 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:42:51,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:42:51,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:51,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:42:51,638 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:51,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:42:51,657 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:51,657 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:42:51,662 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:42:51,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:51,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:51,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:51,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:42:51,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:42:51,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:42:51,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:42:51,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:51,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:51,700 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:51,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,705 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:42:51,709 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:51,709 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:149 [2021-11-12 23:42:51,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:51,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:51,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:51,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:42:51,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-12 23:42:51,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-12 23:42:51,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-12 23:42:51,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,798 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,801 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:51,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:51,802 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:42:51,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:42:51,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:42:51,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:51,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:42:51,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:42:51,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:42:51,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-12 23:42:51,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-12 23:42:51,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-12 23:42:51,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-12 23:42:51,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-12 23:42:51,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:42:51,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:42:51,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:51,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:51,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:42:51,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:51,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:42:51,873 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:51,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,911 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.9 percent of original size [2021-11-12 23:42:51,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-12 23:42:51,918 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:51,918 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:447, output treesize:345 [2021-11-12 23:42:51,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:51,960 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:42:51,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:42:51,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:42:51,964 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:51,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:51,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:51,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-12 23:42:51,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:51,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:52,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:42:52,016 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:52,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:52,020 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:52,021 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:42:52,024 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:42:52,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:52,027 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:42:52,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:52,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:42:52,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:42:52,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:52,035 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 17 treesize of output 17 [2021-11-12 23:42:52,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:42:52,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:42:52,037 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:52,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,039 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:42:52,041 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:52,041 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2021-11-12 23:42:52,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:52,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:52,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:42:52,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:52,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:52,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 23:42:52,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:52,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-12 23:42:52,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-12 23:42:52,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:52,079 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 25 treesize of output 25 [2021-11-12 23:42:52,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:52,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:52,081 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:52,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:52,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:52,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:42:52,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:42:52,097 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-12 23:42:52,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 48 [2021-11-12 23:42:52,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:42:52,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:42:52,103 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:52,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,116 INFO L180 QuantifierPusher]: treesize reduction 98, result has 58.8 percent of original size [2021-11-12 23:42:52,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 23:42:52,118 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:42:52,119 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:242, output treesize:140 [2021-11-12 23:42:52,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,147 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:42:52,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:42:52,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:42:52,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:42:52,169 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:42:52,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:42:52,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:52,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:42:52,171 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:42:52,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:42:52,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:42:52,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:42:52,175 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:42:52,175 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:42:52,179 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:42:52,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:42:52,185 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:42:52,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:42:52,483 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:42:52,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 182, 182] total 394 [2021-11-12 23:42:52,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35640768] [2021-11-12 23:42:52,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:42:52,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 394 states [2021-11-12 23:42:52,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:42:52,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 394 interpolants. [2021-11-12 23:42:52,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78612, Invalid=80190, Unknown=0, NotChecked=0, Total=158802 [2021-11-12 23:42:52,516 INFO L87 Difference]: Start difference. First operand 236 states and 238 transitions. Second operand has 394 states, 394 states have (on average 1.0685279187817258) internal successors, (421), 394 states have internal predecessors, (421), 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) [2021-11-12 23:43:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:10,730 INFO L93 Difference]: Finished difference Result 869 states and 1105 transitions. [2021-11-12 23:43:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 394 states. [2021-11-12 23:43:10,731 INFO L78 Accepts]: Start accepts. Automaton has has 394 states, 394 states have (on average 1.0685279187817258) internal successors, (421), 394 states have internal predecessors, (421), 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 234 [2021-11-12 23:43:10,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:10,736 INFO L225 Difference]: With dead ends: 869 [2021-11-12 23:43:10,736 INFO L226 Difference]: Without dead ends: 815 [2021-11-12 23:43:10,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 751 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 397 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99567 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=78612, Invalid=80190, Unknown=0, NotChecked=0, Total=158802 [2021-11-12 23:43:10,746 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 1656 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 2019 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 971.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 2835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.35ms SdHoareTripleChecker+Time, 2019 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1366.84ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:10,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1656 Valid, 417 Invalid, 2835 Unknown, 0 Unchecked, 23.35ms Time], IncrementalHoareTripleChecker [2019 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 1366.84ms Time] [2021-11-12 23:43:10,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2021-11-12 23:43:10,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 469. [2021-11-12 23:43:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 468 states have (on average 1.0064102564102564) internal successors, (471), 468 states have internal predecessors, (471), 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) [2021-11-12 23:43:10,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 471 transitions. [2021-11-12 23:43:10,774 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 471 transitions. Word has length 234 [2021-11-12 23:43:10,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:10,775 INFO L470 AbstractCegarLoop]: Abstraction has 469 states and 471 transitions. [2021-11-12 23:43:10,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 394 states, 394 states have (on average 1.0685279187817258) internal successors, (421), 394 states have internal predecessors, (421), 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) [2021-11-12 23:43:10,776 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 471 transitions. [2021-11-12 23:43:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-12 23:43:10,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:10,788 INFO L514 BasicCegarLoop]: trace histogram [391, 70, 1, 1, 1, 1, 1, 1] [2021-11-12 23:43:10,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-12 23:43:11,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable181 [2021-11-12 23:43:11,003 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:43:11,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:11,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1455883281, now seen corresponding path program 8 times [2021-11-12 23:43:11,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:43:11,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312222062] [2021-11-12 23:43:11,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:11,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:43:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 79121 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 76636 trivial. 0 not checked. [2021-11-12 23:43:13,626 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:43:13,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312222062] [2021-11-12 23:43:13,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312222062] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:43:13,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577697507] [2021-11-12 23:43:13,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:43:13,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:43:13,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:43:13,628 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:43:13,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0507810d-5d7c-49b8-b897-8d50ee4784d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process