./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/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 e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:55:27,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:55:27,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:55:27,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:55:27,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:55:27,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:55:27,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:55:27,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:55:27,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:55:27,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:55:27,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:55:27,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:55:27,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:55:27,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:55:27,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:55:27,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:55:27,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:55:27,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:55:27,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:55:27,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:55:27,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:55:27,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:55:27,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:55:27,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:55:27,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:55:27,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:55:27,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:55:27,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:55:27,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:55:27,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:55:27,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:55:27,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:55:27,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:55:27,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:55:27,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:55:27,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:55:27,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:55:27,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:55:27,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:55:27,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:55:27,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:55:27,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:55:27,309 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:55:27,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:55:27,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:55:27,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:55:27,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:55:27,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:55:27,311 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:55:27,311 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:55:27,311 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:55:27,311 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:55:27,312 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:55:27,313 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:55:27,313 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:55:27,313 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:55:27,313 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:55:27,314 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:55:27,314 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:55:27,314 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:55:27,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:55:27,316 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:55:27,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:55:27,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:55:27,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:55:27,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:55:27,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:55:27,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:55:27,317 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:55:27,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:55:27,318 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:55:27,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:55:27,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:55:27,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:55:27,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:55:27,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:55:27,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:55:27,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:55:27,320 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:55:27,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:55:27,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:55:27,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:55:27,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:55:27,321 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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 [2021-11-21 01:55:27,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:55:27,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:55:27,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:55:27,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:55:27,680 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:55:27,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2021-11-21 01:55:27,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/data/0e9e8c40f/a6f52635498143e68b4b430e648bd562/FLAG8499f9468 [2021-11-21 01:55:28,434 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:55:28,435 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2021-11-21 01:55:28,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/data/0e9e8c40f/a6f52635498143e68b4b430e648bd562/FLAG8499f9468 [2021-11-21 01:55:28,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/data/0e9e8c40f/a6f52635498143e68b4b430e648bd562 [2021-11-21 01:55:28,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:55:28,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:55:28,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:55:28,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:55:28,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:55:28,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:55:28" (1/1) ... [2021-11-21 01:55:28,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8cf75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:28, skipping insertion in model container [2021-11-21 01:55:28,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:55:28" (1/1) ... [2021-11-21 01:55:28,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:55:28,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:55:29,473 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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44118,44131] [2021-11-21 01:55:29,487 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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44660,44673] [2021-11-21 01:55:29,632 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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56247,56260] [2021-11-21 01:55:29,633 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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56368,56381] [2021-11-21 01:55:29,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:55:29,663 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:55:29,694 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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44118,44131] [2021-11-21 01:55:29,696 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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44660,44673] [2021-11-21 01:55:29,772 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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56247,56260] [2021-11-21 01:55:29,785 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_f3cb3776-5e21-4946-9297-5dc9fb879cfc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56368,56381] [2021-11-21 01:55:29,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:55:29,886 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:55:29,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29 WrapperNode [2021-11-21 01:55:29,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:55:29,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:55:29,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:55:29,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:55:29,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29" (1/1) ... [2021-11-21 01:55:29,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29" (1/1) ... [2021-11-21 01:55:30,006 INFO L137 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1199 [2021-11-21 01:55:30,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:55:30,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:55:30,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:55:30,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:55:30,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29" (1/1) ... [2021-11-21 01:55:30,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29" (1/1) ... [2021-11-21 01:55:30,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29" (1/1) ... [2021-11-21 01:55:30,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29" (1/1) ... [2021-11-21 01:55:30,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29" (1/1) ... [2021-11-21 01:55:30,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29" (1/1) ... [2021-11-21 01:55:30,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29" (1/1) ... [2021-11-21 01:55:30,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:55:30,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:55:30,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:55:30,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:55:30,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29" (1/1) ... [2021-11-21 01:55:30,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:55:30,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:55:30,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:55:30,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:55:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:55:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:55:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:55:30,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:55:30,299 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2021-11-21 01:55:30,299 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2021-11-21 01:55:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:55:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:55:30,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:55:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:55:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:55:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:55:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2021-11-21 01:55:30,300 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2021-11-21 01:55:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:55:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2021-11-21 01:55:30,301 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2021-11-21 01:55:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:55:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:55:30,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:55:30,615 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:55:30,617 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:55:31,653 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:55:32,087 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:55:32,087 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-21 01:55:32,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:55:32 BoogieIcfgContainer [2021-11-21 01:55:32,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:55:32,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:55:32,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:55:32,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:55:32,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:55:28" (1/3) ... [2021-11-21 01:55:32,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bccfd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:55:32, skipping insertion in model container [2021-11-21 01:55:32,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:29" (2/3) ... [2021-11-21 01:55:32,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bccfd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:55:32, skipping insertion in model container [2021-11-21 01:55:32,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:55:32" (3/3) ... [2021-11-21 01:55:32,101 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test6-2.i [2021-11-21 01:55:32,107 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:55:32,108 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-21 01:55:32,168 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:55:32,186 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 01:55:32,186 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-21 01:55:32,212 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 01:55:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 01:55:32,217 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:55:32,219 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:55:32,219 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 01:55:32,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:55:32,225 INFO L85 PathProgramCache]: Analyzing trace with hash -435450484, now seen corresponding path program 1 times [2021-11-21 01:55:32,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:55:32,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752574693] [2021-11-21 01:55:32,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:32,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:55:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:55:32,389 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 01:55:32,389 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:55:32,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752574693] [2021-11-21 01:55:32,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752574693] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:55:32,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:55:32,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:55:32,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660036176] [2021-11-21 01:55:32,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:55:32,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:55:32,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:55:32,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:55:32,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:55:32,425 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 01:55:33,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:55:33,085 INFO L93 Difference]: Finished difference Result 317 states and 538 transitions. [2021-11-21 01:55:33,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:55:33,091 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 01:55:33,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:55:33,101 INFO L225 Difference]: With dead ends: 317 [2021-11-21 01:55:33,101 INFO L226 Difference]: Without dead ends: 157 [2021-11-21 01:55:33,106 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 01:55:33,109 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:55:33,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 01:55:33,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-21 01:55:33,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-21 01:55:33,190 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 01:55:33,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 188 transitions. [2021-11-21 01:55:33,200 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 188 transitions. Word has length 7 [2021-11-21 01:55:33,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:55:33,201 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 188 transitions. [2021-11-21 01:55:33,201 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 01:55:33,201 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 188 transitions. [2021-11-21 01:55:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 01:55:33,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:55:33,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:55:33,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:55:33,203 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 01:55:33,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:55:33,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1156235943, now seen corresponding path program 1 times [2021-11-21 01:55:33,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:55:33,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973979168] [2021-11-21 01:55:33,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:33,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:55:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:55:33,365 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 01:55:33,365 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:55:33,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973979168] [2021-11-21 01:55:33,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973979168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:55:33,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:55:33,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:55:33,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312722650] [2021-11-21 01:55:33,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:55:33,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:55:33,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:55:33,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:55:33,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:55:33,378 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 01:55:35,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:55:35,342 INFO L93 Difference]: Finished difference Result 324 states and 391 transitions. [2021-11-21 01:55:35,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:55:35,343 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 01:55:35,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:55:35,346 INFO L225 Difference]: With dead ends: 324 [2021-11-21 01:55:35,346 INFO L226 Difference]: Without dead ends: 232 [2021-11-21 01:55:35,347 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 01:55:35,349 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 74 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:55:35,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 444 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:55:35,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-21 01:55:35,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 159. [2021-11-21 01:55:35,368 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 01:55:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 190 transitions. [2021-11-21 01:55:35,370 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 190 transitions. Word has length 9 [2021-11-21 01:55:35,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:55:35,371 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 190 transitions. [2021-11-21 01:55:35,371 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 01:55:35,371 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 190 transitions. [2021-11-21 01:55:35,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:55:35,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:55:35,373 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 01:55:35,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:55:35,373 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 01:55:35,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:55:35,374 INFO L85 PathProgramCache]: Analyzing trace with hash 618014543, now seen corresponding path program 1 times [2021-11-21 01:55:35,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:55:35,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498174137] [2021-11-21 01:55:35,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:35,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:55:35,400 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:55:35,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133505547] [2021-11-21 01:55:35,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:35,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:35,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:55:35,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:55:35,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:55:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:55:35,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:55:35,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:55:35,952 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 01:55:35,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:55:35,953 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:55:35,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498174137] [2021-11-21 01:55:35,953 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:55:35,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133505547] [2021-11-21 01:55:35,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133505547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:55:35,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:55:35,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 01:55:35,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377785071] [2021-11-21 01:55:35,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:55:35,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:55:35,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:55:35,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:55:35,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:55:35,956 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 01:55:37,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:55:37,797 INFO L93 Difference]: Finished difference Result 170 states and 201 transitions. [2021-11-21 01:55:37,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:55:37,798 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 01:55:37,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:55:37,800 INFO L225 Difference]: With dead ends: 170 [2021-11-21 01:55:37,800 INFO L226 Difference]: Without dead ends: 168 [2021-11-21 01:55:37,800 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 01:55:37,802 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 11 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:55:37,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 778 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 01:55:37,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-21 01:55:37,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2021-11-21 01:55:37,817 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 01:55:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2021-11-21 01:55:37,819 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 20 [2021-11-21 01:55:37,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:55:37,820 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2021-11-21 01:55:37,820 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 01:55:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2021-11-21 01:55:37,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:55:37,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:55:37,822 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 01:55:37,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:55:38,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:38,036 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 01:55:38,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:55:38,037 INFO L85 PathProgramCache]: Analyzing trace with hash -746982808, now seen corresponding path program 1 times [2021-11-21 01:55:38,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:55:38,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071039978] [2021-11-21 01:55:38,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:38,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:55:38,072 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:55:38,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1466017393] [2021-11-21 01:55:38,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:38,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:38,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:55:38,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:55:38,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:55:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:55:38,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:55:38,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:55:38,456 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 01:55:38,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:55:38,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:55:38,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071039978] [2021-11-21 01:55:38,457 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:55:38,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466017393] [2021-11-21 01:55:38,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466017393] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:55:38,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:55:38,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:55:38,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473541881] [2021-11-21 01:55:38,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:55:38,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:55:38,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:55:38,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:55:38,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:55:38,486 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 01:55:39,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:55:39,454 INFO L93 Difference]: Finished difference Result 408 states and 486 transitions. [2021-11-21 01:55:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:55:39,455 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 01:55:39,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:55:39,457 INFO L225 Difference]: With dead ends: 408 [2021-11-21 01:55:39,457 INFO L226 Difference]: Without dead ends: 243 [2021-11-21 01:55:39,458 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 01:55:39,459 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 68 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 0.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:55:39,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 310 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-21 01:55:39,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-11-21 01:55:39,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 211. [2021-11-21 01:55:39,476 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 01:55:39,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 248 transitions. [2021-11-21 01:55:39,478 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 248 transitions. Word has length 28 [2021-11-21 01:55:39,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:55:39,478 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 248 transitions. [2021-11-21 01:55:39,479 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 01:55:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 248 transitions. [2021-11-21 01:55:39,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 01:55:39,480 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:55:39,480 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 01:55:39,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:55:39,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:39,698 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 01:55:39,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:55:39,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1769840484, now seen corresponding path program 1 times [2021-11-21 01:55:39,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:55:39,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416416684] [2021-11-21 01:55:39,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:39,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:55:39,714 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:55:39,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2127106594] [2021-11-21 01:55:39,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:39,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:39,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:55:39,716 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:55:39,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:55:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:55:39,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:55:39,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:55:40,079 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 01:55:40,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:55:40,255 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 01:55:40,255 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:55:40,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416416684] [2021-11-21 01:55:40,256 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:55:40,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127106594] [2021-11-21 01:55:40,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127106594] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-21 01:55:40,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:55:40,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 9 [2021-11-21 01:55:40,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987153378] [2021-11-21 01:55:40,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:55:40,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:55:40,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:55:40,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:55:40,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:55:40,258 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 01:55:41,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:55:41,475 INFO L93 Difference]: Finished difference Result 801 states and 954 transitions. [2021-11-21 01:55:41,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:55:41,475 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 01:55:41,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:55:41,481 INFO L225 Difference]: With dead ends: 801 [2021-11-21 01:55:41,481 INFO L226 Difference]: Without dead ends: 606 [2021-11-21 01:55:41,482 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 01:55:41,483 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 01:55:41,483 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 01:55:41,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2021-11-21 01:55:41,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 356. [2021-11-21 01:55:41,511 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 01:55:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 421 transitions. [2021-11-21 01:55:41,514 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 421 transitions. Word has length 32 [2021-11-21 01:55:41,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:55:41,514 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 421 transitions. [2021-11-21 01:55:41,514 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 01:55:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 421 transitions. [2021-11-21 01:55:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 01:55:41,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:55:41,517 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 01:55:41,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:55:41,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:41,732 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 01:55:41,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:55:41,733 INFO L85 PathProgramCache]: Analyzing trace with hash -498476679, now seen corresponding path program 1 times [2021-11-21 01:55:41,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:55:41,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414909043] [2021-11-21 01:55:41,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:41,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:55:41,762 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:55:41,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560788878] [2021-11-21 01:55:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:41,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:41,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:55:41,769 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:55:41,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:55:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:55:42,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:55:42,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:55:42,120 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 01:55:42,137 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 01:55:42,148 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 01:55:42,149 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:55:42,149 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:55:42,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414909043] [2021-11-21 01:55:42,149 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:55:42,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560788878] [2021-11-21 01:55:42,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560788878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:55:42,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:55:42,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:55:42,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218664938] [2021-11-21 01:55:42,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:55:42,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:55:42,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:55:42,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:55:42,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:55:42,152 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 01:55:44,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:55:44,496 INFO L93 Difference]: Finished difference Result 513 states and 616 transitions. [2021-11-21 01:55:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:55:44,501 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 01:55:44,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:55:44,508 INFO L225 Difference]: With dead ends: 513 [2021-11-21 01:55:44,508 INFO L226 Difference]: Without dead ends: 446 [2021-11-21 01:55:44,509 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 01:55:44,510 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 60 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:55:44,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 434 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:55:44,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-11-21 01:55:44,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 360. [2021-11-21 01:55:44,531 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 01:55:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 425 transitions. [2021-11-21 01:55:44,534 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 425 transitions. Word has length 57 [2021-11-21 01:55:44,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:55:44,535 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 425 transitions. [2021-11-21 01:55:44,535 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 01:55:44,535 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 425 transitions. [2021-11-21 01:55:44,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 01:55:44,538 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:55:44,538 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 01:55:44,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:55:44,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-21 01:55:44,756 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 01:55:44,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:55:44,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1419302876, now seen corresponding path program 1 times [2021-11-21 01:55:44,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:55:44,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413587714] [2021-11-21 01:55:44,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:44,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:55:44,773 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:55:44,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1903925756] [2021-11-21 01:55:44,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:44,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:44,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:55:44,778 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:55:44,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:55:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:55:45,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 01:55:45,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:55:45,188 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 01:55:45,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:55:45,188 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:55:45,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413587714] [2021-11-21 01:55:45,188 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:55:45,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903925756] [2021-11-21 01:55:45,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903925756] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:55:45,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:55:45,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:55:45,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996757477] [2021-11-21 01:55:45,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:55:45,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:55:45,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:55:45,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:55:45,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:55:45,191 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 01:55:46,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:55:46,467 INFO L93 Difference]: Finished difference Result 688 states and 814 transitions. [2021-11-21 01:55:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:55:46,468 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 01:55:46,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:55:46,470 INFO L225 Difference]: With dead ends: 688 [2021-11-21 01:55:46,471 INFO L226 Difference]: Without dead ends: 360 [2021-11-21 01:55:46,472 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 01:55:46,472 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 17 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 01:55:46,473 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 01:55:46,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-11-21 01:55:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2021-11-21 01:55:46,492 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 01:55:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 424 transitions. [2021-11-21 01:55:46,495 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 424 transitions. Word has length 64 [2021-11-21 01:55:46,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:55:46,496 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 424 transitions. [2021-11-21 01:55:46,496 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 01:55:46,496 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 424 transitions. [2021-11-21 01:55:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 01:55:46,498 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:55:46,499 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 01:55:46,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:55:46,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:46,724 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 01:55:46,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:55:46,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1031523685, now seen corresponding path program 1 times [2021-11-21 01:55:46,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:55:46,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554829431] [2021-11-21 01:55:46,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:46,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:55:46,745 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:55:46,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [91401771] [2021-11-21 01:55:46,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:46,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:46,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:55:46,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:55:46,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:55:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:55:47,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 01:55:47,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:55:47,620 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 01:55:47,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:55:47,620 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:55:47,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554829431] [2021-11-21 01:55:47,621 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:55:47,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91401771] [2021-11-21 01:55:47,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91401771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:55:47,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:55:47,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 01:55:47,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422630047] [2021-11-21 01:55:47,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:55:47,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:55:47,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:55:47,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:55:47,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:55:47,624 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 01:55:50,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:55:52,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:55:52,357 INFO L93 Difference]: Finished difference Result 692 states and 821 transitions. [2021-11-21 01:55:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:55:52,362 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 01:55:52,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:55:52,365 INFO L225 Difference]: With dead ends: 692 [2021-11-21 01:55:52,365 INFO L226 Difference]: Without dead ends: 363 [2021-11-21 01:55:52,366 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 01:55:52,367 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 14 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 4.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:55:52,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 1008 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-21 01:55:52,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-11-21 01:55:52,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2021-11-21 01:55:52,386 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 01:55:52,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 428 transitions. [2021-11-21 01:55:52,389 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 428 transitions. Word has length 69 [2021-11-21 01:55:52,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:55:52,389 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 428 transitions. [2021-11-21 01:55:52,389 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 01:55:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 428 transitions. [2021-11-21 01:55:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 01:55:52,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:55:52,391 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 01:55:52,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 01:55:52,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:52,605 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 01:55:52,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:55:52,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1542696511, now seen corresponding path program 1 times [2021-11-21 01:55:52,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:55:52,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894609187] [2021-11-21 01:55:52,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:52,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:55:52,629 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:55:52,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1333940308] [2021-11-21 01:55:52,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:55:52,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:55:52,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:55:52,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:55:52,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cb3776-5e21-4946-9297-5dc9fb879cfc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:55:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:55:53,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 01:55:53,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:55:53,322 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 01:55:53,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:55:53,613 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 01:55:53,613 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:55:53,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894609187] [2021-11-21 01:55:53,613 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:55:53,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333940308] [2021-11-21 01:55:53,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333940308] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:55:53,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1122053111] [2021-11-21 01:55:53,633 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2021-11-21 01:55:53,634 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:55:53,671 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:55:53,677 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:55:53,677 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:55:53,766 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 01:55:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:53,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:55:53,811 INFO L354 Elim1Store]: treesize reduction 31, result has 35.4 percent of original size [2021-11-21 01:55:53,811 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 01:55:53,826 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 01:55:53,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:53,882 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 01:55:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:53,962 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 01:55:53,970 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 01:55:54,021 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 01:55:54,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,077 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:55:54,077 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 01:55:54,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,156 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:55:54,157 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 01:55:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,433 INFO L354 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2021-11-21 01:55:54,434 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 01:55:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,532 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 01:55:54,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,560 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 01:55:54,560 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 01:55:54,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,615 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 01:55:54,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,629 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 01:55:54,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:54,706 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 01:55:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,117 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 01:55:57,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,158 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 01:55:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,205 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 01:55:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,236 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 01:55:57,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,259 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 01:55:57,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,280 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 01:55:57,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,503 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 01:55:57,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,578 INFO L354 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2021-11-21 01:55:57,579 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 01:55:57,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,618 INFO L354 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2021-11-21 01:55:57,618 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 01:55:57,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,643 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 01:55:57,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,672 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 01:55:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:57,810 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 01:55:58,252 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 01:55:58,261 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 01:55:58,266 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 01:55:58,389 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 01:55:58,398 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 01:55:58,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,475 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 01:55:58,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,540 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 01:55:58,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,587 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-11-21 01:55:58,588 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 01:55:58,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,665 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:55:58,666 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 01:55:58,678 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 01:55:58,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,696 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 01:55:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:58,743 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:55:58,743 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 01:55:59,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,183 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 01:55:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,222 INFO L354 Elim1Store]: treesize reduction 45, result has 8.2 percent of original size [2021-11-21 01:55:59,223 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 01:55:59,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,265 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 01:55:59,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,319 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-11-21 01:55:59,319 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 01:55:59,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,380 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:55:59,380 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 01:55:59,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:59,401 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 01:55:59,412 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 01:55:59,523 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 01:55:59,532 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 01:55:59,580 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 01:56:00,228 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 01:56:00,242 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 01:56:00,256 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 01:56:00,314 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:56:00,315 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 01:56:00,340 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:56:00,341 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 01:56:00,359 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:56:00,359 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 01:56:00,470 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 01:56:00,481 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 01:56:00,492 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 01:56:00,617 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 01:56:00,627 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 01:56:00,676 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 01:56:01,037 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 01:56:01,045 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 01:56:01,090 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 01:56:02,874 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:56:02,874 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 01:56:02,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:04,602 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:56:04,603 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 01:56:06,241 INFO L354 Elim1Store]: treesize reduction 1190, result has 35.1 percent of original size [2021-11-21 01:56:06,243 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 01:56:06,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:07,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:07,106 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:56:07,107 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 01:56:07,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:07,630 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:56:07,631 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 01:56:07,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:56:07,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:07,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:07,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:07,839 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 01:56:07,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:08,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:56:08,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:08,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:08,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:56:08,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:08,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:08,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:08,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 116 [2021-11-21 01:56:08,795 INFO L354 Elim1Store]: treesize reduction 208, result has 36.4 percent of original size [2021-11-21 01:56:08,797 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 01:56:09,546 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 01:56:09,547 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 01:56:09,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:09,892 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 01:56:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:10,072 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 01:56:10,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:10,360 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 01:56:10,360 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 01:56:10,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:56:10,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:10,694 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 01:56:11,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:11,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:11,119 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 01:56:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:16,062 INFO L354 Elim1Store]: treesize reduction 953, result has 23.9 percent of original size [2021-11-21 01:56:16,063 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 01:56:16,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:17,901 INFO L354 Elim1Store]: treesize reduction 1254, result has 25.9 percent of original size [2021-11-21 01:56:17,902 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 01:56:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:18,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:18,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:18,910 INFO L354 Elim1Store]: treesize reduction 492, result has 44.3 percent of original size [2021-11-21 01:56:18,911 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 01:56:42,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:42,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:42,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:42,462 INFO L354 Elim1Store]: treesize reduction 46, result has 52.6 percent of original size [2021-11-21 01:56:42,463 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 01:56:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:45,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:45,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:45,458 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-21 01:56:45,459 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 01:56:47,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:47,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:47,076 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:56:47,076 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 01:56:50,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,425 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-21 01:56:50,425 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 01:56:50,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:50,845 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 01:56:51,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:51,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:51,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:51,454 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-21 01:56:51,455 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 01:56:51,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:51,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:51,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:51,794 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-21 01:56:51,795 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 01:56:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:51,961 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 01:56:51,961 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 01:56:53,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:53,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:53,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:53,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:53,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:53,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:53,661 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 01:56:53,662 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 01:56:54,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:54,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:54,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:54,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:54,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:54,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:54,576 INFO L354 Elim1Store]: treesize reduction 90, result has 24.4 percent of original size [2021-11-21 01:56:54,576 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 01:56:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:57,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:57,966 INFO L354 Elim1Store]: treesize reduction 209, result has 6.3 percent of original size [2021-11-21 01:56:57,967 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 01:56:58,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:58,713 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-11-21 01:56:58,714 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 01:56:59,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:59,359 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 01:56:59,360 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 01:57:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:00,383 INFO L354 Elim1Store]: treesize reduction 142, result has 2.1 percent of original size [2021-11-21 01:57:00,383 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 01:57:02,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:02,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:02,897 INFO L354 Elim1Store]: treesize reduction 193, result has 13.5 percent of original size [2021-11-21 01:57:02,898 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 01:57:06,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:06,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:06,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:06,754 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 01:57:06,755 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 01:57:15,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:15,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:15,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:16,040 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:57:16,041 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 01:57:21,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:21,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:21,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:21,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:21,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:21,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:57:21,841 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 01:57:26,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:26,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:26,170 INFO L354 Elim1Store]: treesize reduction 96, result has 29.9 percent of original size [2021-11-21 01:57:26,171 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 01:57:33,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:33,836 INFO L354 Elim1Store]: treesize reduction 150, result has 37.2 percent of original size [2021-11-21 01:57:33,836 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 01:57:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:51,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:51,596 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-11-21 01:57:51,597 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 01:57:59,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:59,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:57:59,583 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 01:58:00,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,011 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 01:58:00,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:00,537 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 01:58:04,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:58:04,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:58:04,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,075 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 01:58:04,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:04,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:58:04,656 INFO L354 Elim1Store]: treesize reduction 44, result has 57.3 percent of original size [2021-11-21 01:58:04,657 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 01:58:07,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:58:07,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:07,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:07,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:07,835 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 01:58:09,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,437 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:58:09,438 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 01:58:09,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,955 INFO L354 Elim1Store]: treesize reduction 44, result has 52.7 percent of original size [2021-11-21 01:58:09,956 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 01:58:11,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,203 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 01:58:11,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,396 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 01:58:11,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:11,601 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 01:58:12,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:12,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:12,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:12,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:12,949 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 01:58:15,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:15,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:15,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:15,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:58:15,769 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 01:58:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:16,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:16,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:16,700 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 01:58:19,215 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:23,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:28,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:29,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:32,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:32,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:33,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:33,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:35,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:35,266 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:36,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:36,734 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:37,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:39,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:58:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:39,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:39,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:39,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:39,669 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:58:39,669 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 01:58:43,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:43,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:43,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:43,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:43,470 INFO L354 Elim1Store]: treesize reduction 102, result has 26.6 percent of original size [2021-11-21 01:58:43,470 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 01:59:00,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:00,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:00,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:00,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:00,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:00,259 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 02:00:17,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,109 INFO L354 Elim1Store]: treesize reduction 348, result has 33.2 percent of original size [2021-11-21 02:00:18,109 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 02:00:57,689 INFO L354 Elim1Store]: treesize reduction 310, result has 32.2 percent of original size [2021-11-21 02:00:57,690 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 02:00:57,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:58,412 INFO L354 Elim1Store]: treesize reduction 234, result has 39.8 percent of original size [2021-11-21 02:00:58,413 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 02:00:58,716 INFO L354 Elim1Store]: treesize reduction 316, result has 40.3 percent of original size [2021-11-21 02:00:58,717 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 02:00:59,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:00:59,169 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:00:59,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:00:59,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:00:59,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:59,466 INFO L354 Elim1Store]: treesize reduction 15, result has 44.4 percent of original size [2021-11-21 02:00:59,467 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 02:00:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:59,665 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:00:59,666 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 02:00:59,907 INFO L354 Elim1Store]: treesize reduction 14, result has 65.9 percent of original size [2021-11-21 02:00:59,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 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 02:01:00,193 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:01:00,392 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:01:00,472 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:01:00,626 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 02:01:00,627 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 02:01:01,058 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:01:01,426 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:01:01,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:01,548 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:01:01,549 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 02:02:52,312 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:02:52,312 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 02:02:52,365 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:02:52,365 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 02:04:53,105 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:04:53,105 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 02:04:54,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:04:54,961 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 02:04:56,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:04:56,653 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:04:56,653 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 02:04:56,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:04:56,960 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 02:04:57,313 INFO L354 Elim1Store]: treesize reduction 16, result has 66.0 percent of original size [2021-11-21 02:04:57,314 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 02:05:00,396 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:05:00,397 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 02:05:00,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:08:26,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:08:26,262 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:08:26,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 389 treesize of output 507 [2021-11-21 02:08:26,361 INFO L354 Elim1Store]: treesize reduction 53, result has 45.4 percent of original size [2021-11-21 02:08:26,361 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 507 treesize of output 471 [2021-11-21 02:08:26,472 INFO L354 Elim1Store]: treesize reduction 35, result has 55.7 percent of original size [2021-11-21 02:08:26,472 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 471 treesize of output 447