./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:56:26,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:56:26,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:56:26,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:56:26,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:56:26,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:56:26,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:56:26,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:56:26,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:56:26,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:56:26,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:56:26,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:56:26,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:56:26,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:56:26,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:56:26,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:56:26,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:56:26,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:56:26,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:56:26,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:56:26,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:56:26,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:56:26,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:56:26,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:56:26,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:56:26,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:56:26,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:56:26,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:56:26,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:56:26,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:56:26,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:56:26,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:56:26,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:56:26,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:56:26,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:56:26,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:56:26,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:56:26,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:56:26,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:56:26,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:56:26,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:56:26,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:56:26,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:56:26,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:56:26,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:56:26,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:56:26,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:56:26,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:56:26,799 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:56:26,799 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:56:26,799 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:56:26,800 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:56:26,800 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:56:26,800 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:56:26,800 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:56:26,801 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:56:26,801 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:56:26,801 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:56:26,801 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:56:26,801 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:56:26,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:56:26,803 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:56:26,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:56:26,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:56:26,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:56:26,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:56:26,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:56:26,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:56:26,804 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:56:26,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:56:26,804 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:56:26,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:56:26,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:56:26,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:56:26,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:56:26,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:56:26,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:56:26,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:56:26,807 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:56:26,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:56:26,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:56:26,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:56:26,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:56:26,808 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_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 [2021-11-21 01:56:27,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:56:27,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:56:27,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:56:27,093 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:56:27,094 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:56:27,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2021-11-21 01:56:27,203 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/data/4932f5259/a0747098f0054db586baec5bb358405c/FLAGccd6e0f0e [2021-11-21 01:56:27,877 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:56:27,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2021-11-21 01:56:27,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/data/4932f5259/a0747098f0054db586baec5bb358405c/FLAGccd6e0f0e [2021-11-21 01:56:28,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/data/4932f5259/a0747098f0054db586baec5bb358405c [2021-11-21 01:56:28,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:56:28,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:56:28,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:56:28,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:56:28,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:56:28,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:56:28" (1/1) ... [2021-11-21 01:56:28,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68818f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:28, skipping insertion in model container [2021-11-21 01:56:28,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:56:28" (1/1) ... [2021-11-21 01:56:28,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:56:28,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:56:28,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44118,44131] [2021-11-21 01:56:28,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44660,44673] [2021-11-21 01:56:28,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56247,56260] [2021-11-21 01:56:28,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56368,56381] [2021-11-21 01:56:28,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:56:28,891 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:56:28,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44118,44131] [2021-11-21 01:56:28,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44660,44673] [2021-11-21 01:56:29,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56247,56260] [2021-11-21 01:56:29,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56368,56381] [2021-11-21 01:56:29,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:56:29,117 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:56:29,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29 WrapperNode [2021-11-21 01:56:29,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:56:29,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:56:29,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:56:29,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:56:29,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29" (1/1) ... [2021-11-21 01:56:29,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29" (1/1) ... [2021-11-21 01:56:29,321 INFO L137 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1199 [2021-11-21 01:56:29,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:56:29,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:56:29,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:56:29,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:56:29,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29" (1/1) ... [2021-11-21 01:56:29,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29" (1/1) ... [2021-11-21 01:56:29,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29" (1/1) ... [2021-11-21 01:56:29,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29" (1/1) ... [2021-11-21 01:56:29,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29" (1/1) ... [2021-11-21 01:56:29,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29" (1/1) ... [2021-11-21 01:56:29,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29" (1/1) ... [2021-11-21 01:56:29,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:56:29,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:56:29,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:56:29,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:56:29,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29" (1/1) ... [2021-11-21 01:56:29,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:56:29,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:56:29,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:56:29,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:56:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:56:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:56:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:56:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:56:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2021-11-21 01:56:29,553 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2021-11-21 01:56:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:56:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:56:29,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:56:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:56:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:56:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:56:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2021-11-21 01:56:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2021-11-21 01:56:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:56:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2021-11-21 01:56:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2021-11-21 01:56:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:56:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:56:29,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:56:29,872 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:56:29,874 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:56:31,020 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:56:31,534 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:56:31,535 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-21 01:56:31,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:56:31 BoogieIcfgContainer [2021-11-21 01:56:31,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:56:31,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:56:31,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:56:31,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:56:31,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:56:28" (1/3) ... [2021-11-21 01:56:31,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1d9461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:56:31, skipping insertion in model container [2021-11-21 01:56:31,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:29" (2/3) ... [2021-11-21 01:56:31,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1d9461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:56:31, skipping insertion in model container [2021-11-21 01:56:31,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:56:31" (3/3) ... [2021-11-21 01:56:31,551 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-2.i [2021-11-21 01:56:31,563 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:56:31,564 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-21 01:56:31,612 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:56:31,620 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 [2021-11-21 01:56:31,620 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-21 01:56:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 136 states have (on average 1.713235294117647) internal successors, (233), 140 states have internal predecessors, (233), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:56:31,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 01:56:31,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:56:31,678 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:56:31,679 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 01:56:31,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:56:31,686 INFO L85 PathProgramCache]: Analyzing trace with hash -435450484, now seen corresponding path program 1 times [2021-11-21 01:56:31,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:56:31,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630754835] [2021-11-21 01:56:31,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:31,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:56:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:56:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:56:31,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:56:31,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630754835] [2021-11-21 01:56:31,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630754835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:56:31,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:56:31,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:56:31,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307334608] [2021-11-21 01:56:31,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:56:31,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:56:31,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:56:31,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:56:31,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:56:31,926 INFO L87 Difference]: Start difference. First operand has 160 states, 136 states have (on average 1.713235294117647) internal successors, (233), 140 states have internal predecessors, (233), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:56:32,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:56:32,739 INFO L93 Difference]: Finished difference Result 317 states and 538 transitions. [2021-11-21 01:56:32,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:56:32,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-21 01:56:32,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:56:32,758 INFO L225 Difference]: With dead ends: 317 [2021-11-21 01:56:32,759 INFO L226 Difference]: Without dead ends: 157 [2021-11-21 01:56:32,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:56:32,770 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:56:32,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-21 01:56:32,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-21 01:56:32,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-21 01:56:32,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 134 states have (on average 1.1791044776119404) internal successors, (158), 138 states have internal predecessors, (158), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-21 01:56:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 188 transitions. [2021-11-21 01:56:32,837 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 188 transitions. Word has length 7 [2021-11-21 01:56:32,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:56:32,838 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 188 transitions. [2021-11-21 01:56:32,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:56:32,839 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 188 transitions. [2021-11-21 01:56:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 01:56:32,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:56:32,840 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:56:32,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:56:32,841 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 01:56:32,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:56:32,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1156235943, now seen corresponding path program 1 times [2021-11-21 01:56:32,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:56:32,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060478529] [2021-11-21 01:56:32,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:32,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:56:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:56:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:56:32,975 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:56:32,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060478529] [2021-11-21 01:56:32,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060478529] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:56:32,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:56:32,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:56:32,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310449466] [2021-11-21 01:56:32,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:56:32,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:56:32,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:56:32,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:56:32,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:56:32,979 INFO L87 Difference]: Start difference. First operand 157 states and 188 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) [2021-11-21 01:56:35,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:56:35,154 INFO L93 Difference]: Finished difference Result 324 states and 391 transitions. [2021-11-21 01:56:35,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:56:35,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-21 01:56:35,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:56:35,158 INFO L225 Difference]: With dead ends: 324 [2021-11-21 01:56:35,158 INFO L226 Difference]: Without dead ends: 232 [2021-11-21 01:56:35,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:56:35,161 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 74 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:56:35,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 444 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:56:35,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-21 01:56:35,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 159. [2021-11-21 01:56:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 136 states have (on average 1.1764705882352942) internal successors, (160), 140 states have internal predecessors, (160), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-21 01:56:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 190 transitions. [2021-11-21 01:56:35,184 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 190 transitions. Word has length 9 [2021-11-21 01:56:35,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:56:35,185 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 190 transitions. [2021-11-21 01:56:35,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) [2021-11-21 01:56:35,185 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 190 transitions. [2021-11-21 01:56:35,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:56:35,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:56:35,187 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:56:35,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:56:35,187 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 01:56:35,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:56:35,188 INFO L85 PathProgramCache]: Analyzing trace with hash 618014543, now seen corresponding path program 1 times [2021-11-21 01:56:35,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:56:35,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52583813] [2021-11-21 01:56:35,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:35,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:56:35,214 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:56:35,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857443777] [2021-11-21 01:56:35,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:35,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:35,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:56:35,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:56:35,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:56:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:56:35,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:56:35,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:56:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:56:35,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:56:35,832 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:56:35,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52583813] [2021-11-21 01:56:35,833 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:56:35,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857443777] [2021-11-21 01:56:35,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857443777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:56:35,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:56:35,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 01:56:35,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195173031] [2021-11-21 01:56:35,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:56:35,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:56:35,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:56:35,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:56:35,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:56:35,837 INFO L87 Difference]: Start difference. First operand 159 states and 190 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:56:37,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:56:37,817 INFO L93 Difference]: Finished difference Result 170 states and 201 transitions. [2021-11-21 01:56:37,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:56:37,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-21 01:56:37,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:56:37,820 INFO L225 Difference]: With dead ends: 170 [2021-11-21 01:56:37,820 INFO L226 Difference]: Without dead ends: 168 [2021-11-21 01:56:37,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:56:37,822 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 11 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:56:37,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 778 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:56:37,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-21 01:56:37,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2021-11-21 01:56:37,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 142 states have (on average 1.176056338028169) internal successors, (167), 147 states have internal predecessors, (167), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:56:37,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2021-11-21 01:56:37,841 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 20 [2021-11-21 01:56:37,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:56:37,841 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2021-11-21 01:56:37,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:56:37,842 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2021-11-21 01:56:37,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:56:37,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:56:37,844 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:56:37,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:56:38,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:38,063 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 01:56:38,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:56:38,063 INFO L85 PathProgramCache]: Analyzing trace with hash -746982808, now seen corresponding path program 1 times [2021-11-21 01:56:38,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:56:38,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606887717] [2021-11-21 01:56:38,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:38,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:56:38,097 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:56:38,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040345347] [2021-11-21 01:56:38,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:38,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:38,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:56:38,104 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:56:38,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:56:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:56:38,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:56:38,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:56:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:56:38,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:56:38,583 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:56:38,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606887717] [2021-11-21 01:56:38,583 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:56:38,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040345347] [2021-11-21 01:56:38,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040345347] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:56:38,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:56:38,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:56:38,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489889292] [2021-11-21 01:56:38,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:56:38,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:56:38,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:56:38,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:56:38,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:56:38,586 INFO L87 Difference]: Start difference. First operand 168 states and 199 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:56:39,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:56:39,639 INFO L93 Difference]: Finished difference Result 408 states and 486 transitions. [2021-11-21 01:56:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:56:39,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-21 01:56:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:56:39,642 INFO L225 Difference]: With dead ends: 408 [2021-11-21 01:56:39,643 INFO L226 Difference]: Without dead ends: 243 [2021-11-21 01:56:39,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:56:39,645 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 68 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:56:39,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 310 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 01:56:39,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-11-21 01:56:39,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 211. [2021-11-21 01:56:39,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 185 states have (on average 1.1675675675675676) internal successors, (216), 190 states have internal predecessors, (216), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:56:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 248 transitions. [2021-11-21 01:56:39,667 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 248 transitions. Word has length 28 [2021-11-21 01:56:39,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:56:39,667 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 248 transitions. [2021-11-21 01:56:39,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:56:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 248 transitions. [2021-11-21 01:56:39,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 01:56:39,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:56:39,669 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:56:39,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:56:39,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:39,891 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 01:56:39,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:56:39,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1769840484, now seen corresponding path program 1 times [2021-11-21 01:56:39,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:56:39,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314736929] [2021-11-21 01:56:39,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:39,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:56:39,924 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:56:39,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1332694133] [2021-11-21 01:56:39,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:39,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:39,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:56:39,930 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:56:39,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:56:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:56:40,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:56:40,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:56:40,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:56:40,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:56:40,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:56:40,461 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:56:40,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314736929] [2021-11-21 01:56:40,462 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:56:40,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332694133] [2021-11-21 01:56:40,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332694133] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-21 01:56:40,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:56:40,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 9 [2021-11-21 01:56:40,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040260823] [2021-11-21 01:56:40,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:56:40,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:56:40,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:56:40,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:56:40,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:56:40,465 INFO L87 Difference]: Start difference. First operand 211 states and 248 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:56:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:56:41,707 INFO L93 Difference]: Finished difference Result 801 states and 954 transitions. [2021-11-21 01:56:41,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:56:41,708 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2021-11-21 01:56:41,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:56:41,714 INFO L225 Difference]: With dead ends: 801 [2021-11-21 01:56:41,714 INFO L226 Difference]: Without dead ends: 606 [2021-11-21 01:56:41,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:56:41,716 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 961 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:56:41,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [961 Valid, 493 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 01:56:41,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2021-11-21 01:56:41,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 356. [2021-11-21 01:56:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 320 states have (on average 1.175) internal successors, (376), 326 states have internal predecessors, (376), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (23), 19 states have call predecessors, (23), 22 states have call successors, (23) [2021-11-21 01:56:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 421 transitions. [2021-11-21 01:56:41,747 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 421 transitions. Word has length 32 [2021-11-21 01:56:41,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:56:41,748 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 421 transitions. [2021-11-21 01:56:41,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:56:41,748 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 421 transitions. [2021-11-21 01:56:41,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 01:56:41,751 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:56:41,751 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:56:41,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:56:41,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:41,971 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 01:56:41,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:56:41,971 INFO L85 PathProgramCache]: Analyzing trace with hash -498476679, now seen corresponding path program 1 times [2021-11-21 01:56:41,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:56:41,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885556123] [2021-11-21 01:56:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:41,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:56:42,009 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:56:42,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38290082] [2021-11-21 01:56:42,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:42,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:42,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:56:42,016 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:56:42,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:56:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:56:42,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:56:42,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:56:42,374 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 11 treesize of output 7 [2021-11-21 01:56:42,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-21 01:56:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 01:56:42,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:56:42,406 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:56:42,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885556123] [2021-11-21 01:56:42,407 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:56:42,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38290082] [2021-11-21 01:56:42,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38290082] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:56:42,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:56:42,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:56:42,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412473285] [2021-11-21 01:56:42,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:56:42,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:56:42,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:56:42,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:56:42,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:56:42,409 INFO L87 Difference]: Start difference. First operand 356 states and 421 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-21 01:56:43,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:56:45,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:56:45,126 INFO L93 Difference]: Finished difference Result 513 states and 616 transitions. [2021-11-21 01:56:45,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:56:45,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 57 [2021-11-21 01:56:45,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:56:45,135 INFO L225 Difference]: With dead ends: 513 [2021-11-21 01:56:45,135 INFO L226 Difference]: Without dead ends: 446 [2021-11-21 01:56:45,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:56:45,137 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 60 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:56:45,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 434 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 01:56:45,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-11-21 01:56:45,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 360. [2021-11-21 01:56:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 324 states have (on average 1.1728395061728396) internal successors, (380), 330 states have internal predecessors, (380), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (23), 19 states have call predecessors, (23), 22 states have call successors, (23) [2021-11-21 01:56:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 425 transitions. [2021-11-21 01:56:45,163 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 425 transitions. Word has length 57 [2021-11-21 01:56:45,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:56:45,164 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 425 transitions. [2021-11-21 01:56:45,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-21 01:56:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 425 transitions. [2021-11-21 01:56:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 01:56:45,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:56:45,168 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:56:45,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:56:45,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:45,381 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 01:56:45,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:56:45,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1419302876, now seen corresponding path program 1 times [2021-11-21 01:56:45,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:56:45,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698443659] [2021-11-21 01:56:45,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:45,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:56:45,402 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:56:45,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546120557] [2021-11-21 01:56:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:45,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:45,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:56:45,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:56:45,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:56:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:56:45,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 01:56:45,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:56:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 01:56:45,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:56:45,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:56:45,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698443659] [2021-11-21 01:56:45,941 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:56:45,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546120557] [2021-11-21 01:56:45,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546120557] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:56:45,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:56:45,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:56:45,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661084693] [2021-11-21 01:56:45,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:56:45,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:56:45,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:56:45,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:56:45,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:56:45,957 INFO L87 Difference]: Start difference. First operand 360 states and 425 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-21 01:56:47,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:56:47,187 INFO L93 Difference]: Finished difference Result 688 states and 814 transitions. [2021-11-21 01:56:47,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:56:47,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2021-11-21 01:56:47,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:56:47,191 INFO L225 Difference]: With dead ends: 688 [2021-11-21 01:56:47,191 INFO L226 Difference]: Without dead ends: 360 [2021-11-21 01:56:47,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:56:47,193 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 17 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:56:47,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 545 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 01:56:47,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-11-21 01:56:47,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2021-11-21 01:56:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 324 states have (on average 1.1728395061728396) internal successors, (380), 330 states have internal predecessors, (380), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (22), 19 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:56:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 424 transitions. [2021-11-21 01:56:47,213 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 424 transitions. Word has length 64 [2021-11-21 01:56:47,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:56:47,214 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 424 transitions. [2021-11-21 01:56:47,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-21 01:56:47,214 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 424 transitions. [2021-11-21 01:56:47,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 01:56:47,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:56:47,216 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:56:47,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:56:47,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:47,443 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 01:56:47,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:56:47,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1031523685, now seen corresponding path program 1 times [2021-11-21 01:56:47,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:56:47,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574939224] [2021-11-21 01:56:47,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:47,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:56:47,459 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:56:47,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [103269088] [2021-11-21 01:56:47,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:47,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:47,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:56:47,461 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:56:47,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:56:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:56:48,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 01:56:48,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:56:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 01:56:48,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:56:48,448 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:56:48,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574939224] [2021-11-21 01:56:48,448 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:56:48,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103269088] [2021-11-21 01:56:48,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103269088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:56:48,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:56:48,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 01:56:48,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771786287] [2021-11-21 01:56:48,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:56:48,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:56:48,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:56:48,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:56:48,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:56:48,453 INFO L87 Difference]: Start difference. First operand 360 states and 424 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-21 01:56:51,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:56:54,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:56:54,007 INFO L93 Difference]: Finished difference Result 692 states and 821 transitions. [2021-11-21 01:56:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:56:54,012 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 69 [2021-11-21 01:56:54,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:56:54,015 INFO L225 Difference]: With dead ends: 692 [2021-11-21 01:56:54,016 INFO L226 Difference]: Without dead ends: 363 [2021-11-21 01:56:54,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:56:54,017 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 14 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:56:54,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 1008 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-11-21 01:56:54,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-11-21 01:56:54,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2021-11-21 01:56:54,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 326 states have (on average 1.1748466257668713) internal successors, (383), 333 states have internal predecessors, (383), 22 states have call successors, (22), 10 states have call predecessors, (22), 11 states have return successors, (23), 19 states have call predecessors, (23), 22 states have call successors, (23) [2021-11-21 01:56:54,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 428 transitions. [2021-11-21 01:56:54,037 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 428 transitions. Word has length 69 [2021-11-21 01:56:54,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:56:54,038 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 428 transitions. [2021-11-21 01:56:54,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-21 01:56:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 428 transitions. [2021-11-21 01:56:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 01:56:54,040 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:56:54,040 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:56:54,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 01:56:54,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:54,261 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-21 01:56:54,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:56:54,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1542696511, now seen corresponding path program 1 times [2021-11-21 01:56:54,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:56:54,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248060698] [2021-11-21 01:56:54,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:54,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:56:54,291 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:56:54,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2021247588] [2021-11-21 01:56:54,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:54,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:56:54,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:56:54,295 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:56:54,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac7089e-a1a0-44dd-bcba-aa30bbece69a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:56:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:56:54,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 01:56:54,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:56:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 01:56:55,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:56:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-21 01:56:55,363 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:56:55,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248060698] [2021-11-21 01:56:55,363 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:56:55,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021247588] [2021-11-21 01:56:55,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021247588] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:56:55,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1072194433] [2021-11-21 01:56:55,385 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2021-11-21 01:56:55,385 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:56:55,390 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:56:55,396 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:56:55,396 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:56:55,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:56:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:55,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:56:55,529 INFO L354 Elim1Store]: treesize reduction 31, result has 35.4 percent of original size [2021-11-21 01:56:55,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 70 [2021-11-21 01:56:55,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2021-11-21 01:56:55,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:55,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2021-11-21 01:56:55,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:55,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-11-21 01:56:55,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2021-11-21 01:56:55,747 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 15 treesize of output 1 [2021-11-21 01:56:55,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:55,802 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:56:55,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 01:56:55,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:55,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:55,888 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:56:55,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:56:56,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,221 INFO L354 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2021-11-21 01:56:56,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 61 [2021-11-21 01:56:56,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:56:56,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,357 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 01:56:56,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:56:56,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2021-11-21 01:56:56,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 58 [2021-11-21 01:56:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:56,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:56:59,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:56:59,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:56:59,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 89 [2021-11-21 01:56:59,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2021-11-21 01:56:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 77 [2021-11-21 01:56:59,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 85 [2021-11-21 01:56:59,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:56:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,661 INFO L354 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2021-11-21 01:56:59,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 114 treesize of output 104 [2021-11-21 01:56:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,704 INFO L354 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2021-11-21 01:56:59,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 97 [2021-11-21 01:56:59,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,729 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 0 case distinctions, treesize of input 96 treesize of output 96 [2021-11-21 01:56:59,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,756 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 0 case distinctions, treesize of input 84 treesize of output 88 [2021-11-21 01:56:59,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:57:00,257 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 25 treesize of output 1 [2021-11-21 01:57:00,264 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 25 treesize of output 1 [2021-11-21 01:57:00,268 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 [2021-11-21 01:57:00,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 9 [2021-11-21 01:57:00,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 01:57:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2021-11-21 01:57:00,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2021-11-21 01:57:00,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,629 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-11-21 01:57:00,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 32 [2021-11-21 01:57:00,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,709 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:57:00,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 58 [2021-11-21 01:57:00,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2021-11-21 01:57:00,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-11-21 01:57:00,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,807 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:57:00,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 23 [2021-11-21 01:57:01,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2021-11-21 01:57:01,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,267 INFO L354 Elim1Store]: treesize reduction 45, result has 8.2 percent of original size [2021-11-21 01:57:01,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 23 [2021-11-21 01:57:01,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2021-11-21 01:57:01,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,388 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-11-21 01:57:01,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 32 [2021-11-21 01:57:01,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,455 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:57:01,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 58 [2021-11-21 01:57:01,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:01,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-11-21 01:57:01,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-21 01:57:01,651 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 64 treesize of output 48 [2021-11-21 01:57:01,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2021-11-21 01:57:01,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:57:02,341 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 14 treesize of output 10 [2021-11-21 01:57:02,352 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 14 treesize of output 10 [2021-11-21 01:57:02,365 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 [2021-11-21 01:57:02,448 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:57:02,448 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 141 treesize of output 140 [2021-11-21 01:57:02,474 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:57:02,474 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 137 treesize of output 136 [2021-11-21 01:57:02,494 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:57:02,494 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 133 treesize of output 132 [2021-11-21 01:57:02,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:57:02,633 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 14 treesize of output 10 [2021-11-21 01:57:02,644 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 [2021-11-21 01:57:02,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 71 treesize of output 35 [2021-11-21 01:57:02,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 32 treesize of output 23 [2021-11-21 01:57:02,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 19 treesize of output 7 [2021-11-21 01:57:03,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 71 treesize of output 35 [2021-11-21 01:57:03,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 32 treesize of output 23 [2021-11-21 01:57:03,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 19 treesize of output 7 [2021-11-21 01:57:04,991 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:57:04,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1526 treesize of output 1147 [2021-11-21 01:57:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:06,737 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:57:06,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 1583 treesize of output 1349 [2021-11-21 01:57:08,574 INFO L354 Elim1Store]: treesize reduction 1190, result has 35.1 percent of original size [2021-11-21 01:57:08,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 1383 treesize of output 1461 [2021-11-21 01:57:09,382 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:57:09,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:09,525 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:57:09,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:57:09,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:10,086 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:57:10,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-21 01:57:10,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:10,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:10,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:10,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 119 [2021-11-21 01:57:10,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:57:10,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:10,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:10,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:10,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:10,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:10,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 116 [2021-11-21 01:57:11,342 INFO L354 Elim1Store]: treesize reduction 208, result has 36.4 percent of original size [2021-11-21 01:57:11,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 224 treesize of output 240 [2021-11-21 01:57:11,997 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 01:57:11,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 591 treesize of output 599 [2021-11-21 01:57:12,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:12,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:57:12,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:12,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-21 01:57:12,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:12,907 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 01:57:12,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 26 [2021-11-21 01:57:13,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:13,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:13,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-21 01:57:13,618 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:57:13,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:13,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-21 01:57:15,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:19,003 INFO L354 Elim1Store]: treesize reduction 953, result has 23.9 percent of original size [2021-11-21 01:57:19,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 2287 treesize of output 1821 [2021-11-21 01:57:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:21,194 INFO L354 Elim1Store]: treesize reduction 1254, result has 25.9 percent of original size [2021-11-21 01:57:21,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 2717 treesize of output 2212 [2021-11-21 01:57:21,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:21,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:21,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:22,275 INFO L354 Elim1Store]: treesize reduction 492, result has 44.3 percent of original size [2021-11-21 01:57:22,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 4 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 63 case distinctions, treesize of input 1986 treesize of output 2274 [2021-11-21 01:57:47,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:47,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:47,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:48,059 INFO L354 Elim1Store]: treesize reduction 46, result has 52.6 percent of original size [2021-11-21 01:57:48,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1205 treesize of output 1145 [2021-11-21 01:57:51,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:51,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:51,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:51,371 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-21 01:57:51,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1184 treesize of output 1078 [2021-11-21 01:57:53,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:53,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:53,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:53,156 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:57:53,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1189 treesize of output 1131 [2021-11-21 01:57:56,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:56,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:56,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:56,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:56,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:56,861 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-21 01:57:56,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 627 treesize of output 535 [2021-11-21 01:57:57,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:57,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:57,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:57,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:57,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:57,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:57,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 606 treesize of output 518 [2021-11-21 01:57:58,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:58,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:58,058 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-21 01:57:58,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 268 treesize of output 212 [2021-11-21 01:57:58,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:58,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:58,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:58,507 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-21 01:57:58,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 247 treesize of output 195 [2021-11-21 01:57:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:58,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:58,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:58,694 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 01:57:58,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 278 treesize of output 222 [2021-11-21 01:58:00,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,580 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 01:58:00,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 617 treesize of output 523 [2021-11-21 01:58:01,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:01,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:01,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:01,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:01,619 INFO L354 Elim1Store]: treesize reduction 90, result has 24.4 percent of original size [2021-11-21 01:58:01,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 638 treesize of output 568 [2021-11-21 01:58:05,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:05,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:05,454 INFO L354 Elim1Store]: treesize reduction 209, result has 6.3 percent of original size [2021-11-21 01:58:05,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 279 treesize of output 231 [2021-11-21 01:58:06,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:06,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:06,368 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-11-21 01:58:06,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 258 treesize of output 200 [2021-11-21 01:58:07,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:07,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:07,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:07,092 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 01:58:07,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 289 treesize of output 227 [2021-11-21 01:58:08,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:08,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:08,185 INFO L354 Elim1Store]: treesize reduction 142, result has 2.1 percent of original size [2021-11-21 01:58:08,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1195 treesize of output 1086 [2021-11-21 01:58:10,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:10,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,081 INFO L354 Elim1Store]: treesize reduction 193, result has 13.5 percent of original size [2021-11-21 01:58:11,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 1216 treesize of output 1129 [2021-11-21 01:58:15,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:15,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:15,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:15,295 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 01:58:15,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1200 treesize of output 1090 [2021-11-21 01:58:25,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:25,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:58:25,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:25,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:25,618 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:58:25,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1791 treesize of output 1597 [2021-11-21 01:58:32,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:32,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:58:32,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:32,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:32,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:32,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:58:32,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1784 treesize of output 1546 [2021-11-21 01:58:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:37,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:37,214 INFO L354 Elim1Store]: treesize reduction 96, result has 29.9 percent of original size [2021-11-21 01:58:37,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1252 treesize of output 1176 [2021-11-21 01:58:45,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:45,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:46,144 INFO L354 Elim1Store]: treesize reduction 150, result has 37.2 percent of original size [2021-11-21 01:58:46,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 1267 treesize of output 1233 [2021-11-21 01:59:06,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:06,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:06,891 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-11-21 01:59:06,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1256 treesize of output 1138 [2021-11-21 01:59:16,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:16,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:16,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 126 [2021-11-21 01:59:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:16,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:16,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 238 treesize of output 204 [2021-11-21 01:59:17,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:17,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:17,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:17,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 90 [2021-11-21 01:59:21,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:59:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:59:21,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 198 [2021-11-21 01:59:21,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:21,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:59:21,924 INFO L354 Elim1Store]: treesize reduction 44, result has 57.3 percent of original size [2021-11-21 01:59:21,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 320 treesize of output 334 [2021-11-21 01:59:25,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:59:25,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:25,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:25,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:25,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:25,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:25,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 177 [2021-11-21 01:59:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,542 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:59:27,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 159 treesize of output 131 [2021-11-21 01:59:27,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:27,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:28,132 INFO L354 Elim1Store]: treesize reduction 44, result has 52.7 percent of original size [2021-11-21 01:59:28,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 159 treesize of output 179 [2021-11-21 01:59:29,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:29,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:29,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:29,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 01:59:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:29,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 01:59:30,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:30,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:30,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:30,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:30,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:30,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:30,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2021-11-21 01:59:31,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:31,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:31,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:31,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:31,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 131 [2021-11-21 01:59:34,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:34,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:34,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:34,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:59:34,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 128 [2021-11-21 01:59:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:36,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:36,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:36,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:36,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 128 [2021-11-21 01:59:38,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:43,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:49,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:51,257 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:54,653 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:54,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:55,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:55,738 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:57,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:57,596 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:59,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:59,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:59,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:00:02,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 02:00:02,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:02,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:02,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:02,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:02,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:02,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:02,263 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:00:02,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 955 treesize of output 857 [2021-11-21 02:00:06,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:06,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:06,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:06,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:06,415 INFO L354 Elim1Store]: treesize reduction 102, result has 26.6 percent of original size [2021-11-21 02:00:06,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 964 treesize of output 888 [2021-11-21 02:00:24,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:24,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:24,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:24,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:24,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:24,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:24,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2021-11-21 02:01:42,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:42,675 INFO L354 Elim1Store]: treesize reduction 348, result has 33.2 percent of original size [2021-11-21 02:01:42,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 2 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 34 case distinctions, treesize of input 4654 treesize of output 3668 [2021-11-21 02:02:22,298 INFO L354 Elim1Store]: treesize reduction 310, result has 32.2 percent of original size [2021-11-21 02:02:22,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 467 treesize of output 534 [2021-11-21 02:02:22,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:02:22,873 INFO L354 Elim1Store]: treesize reduction 234, result has 39.8 percent of original size [2021-11-21 02:02:22,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 757 treesize of output 760 [2021-11-21 02:02:23,253 INFO L354 Elim1Store]: treesize reduction 316, result has 40.3 percent of original size [2021-11-21 02:02:23,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 792 treesize of output 927 [2021-11-21 02:02:23,684 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:02:23,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:02:23,812 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:02:23,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:02:23,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:02:24,018 INFO L354 Elim1Store]: treesize reduction 15, result has 44.4 percent of original size [2021-11-21 02:02:24,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 46 [2021-11-21 02:02:24,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:02:24,212 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:02:24,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 60 [2021-11-21 02:02:24,451 INFO L354 Elim1Store]: treesize reduction 14, result has 65.9 percent of original size [2021-11-21 02:02:24,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 73 [2021-11-21 02:02:24,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:02:24,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:02:25,052 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:02:25,236 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 02:02:25,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 44 [2021-11-21 02:02:25,629 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:02:25,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:02:26,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:02:26,090 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:02:26,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 14 [2021-11-21 02:04:11,286 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:04:11,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 423 treesize of output 449 [2021-11-21 02:04:11,337 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:04:11,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 450 treesize of output 471 [2021-11-21 02:06:07,853 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:06:07,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 134 [2021-11-21 02:06:09,602 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:06:09,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 186 treesize of output 207 [2021-11-21 02:06:11,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:06:11,258 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:06:11,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 76 [2021-11-21 02:06:11,560 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:06:11,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 68 [2021-11-21 02:06:11,886 INFO L354 Elim1Store]: treesize reduction 16, result has 66.0 percent of original size [2021-11-21 02:06:11,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 81 [2021-11-21 02:06:14,867 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:06:14,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2021-11-21 02:06:15,053 WARN L234 Elim1Store]: Array PQE input equivalent to false