./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/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_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:09:52,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:09:52,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:09:52,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:09:52,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:09:52,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:09:52,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:09:52,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:09:52,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:09:52,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:09:52,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:09:52,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:09:52,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:09:52,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:09:52,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:09:52,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:09:52,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:09:52,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:09:52,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:09:52,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:09:52,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:09:52,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:09:52,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:09:52,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:09:52,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:09:52,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:09:52,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:09:52,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:09:52,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:09:52,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:09:52,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:09:52,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:09:52,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:09:52,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:09:52,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:09:52,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:09:52,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:09:52,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:09:52,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:09:52,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:09:52,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:09:52,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:09:52,508 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:09:52,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:09:52,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:09:52,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:09:52,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:09:52,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:09:52,517 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:09:52,518 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:09:52,518 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:09:52,518 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:09:52,520 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:09:52,520 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:09:52,520 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:09:52,521 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:09:52,521 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:09:52,521 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:09:52,521 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:09:52,522 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:09:52,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:09:52,523 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:09:52,524 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:09:52,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:09:52,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:09:52,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:09:52,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:09:52,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:09:52,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:09:52,525 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:09:52,526 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:09:52,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:09:52,526 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:09:52,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:09:52,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:09:52,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:09:52,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:09:52,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:09:52,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:09:52,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:09:52,528 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:09:52,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:09:52,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:09:52,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:09:52,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:09:52,531 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_881f1a1a-2424-416f-a275-a56b0d972944/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc [2021-11-21 01:09:52,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:09:52,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:09:52,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:09:52,872 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:09:52,873 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:09:52,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2021-11-21 01:09:52,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/data/a84efc8bf/9538b3f38e2546159dcd6dc1eb0fa47c/FLAG17b62db9a [2021-11-21 01:09:53,732 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:09:53,733 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2021-11-21 01:09:53,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/data/a84efc8bf/9538b3f38e2546159dcd6dc1eb0fa47c/FLAG17b62db9a [2021-11-21 01:09:53,871 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/data/a84efc8bf/9538b3f38e2546159dcd6dc1eb0fa47c [2021-11-21 01:09:53,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:09:53,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:09:53,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:09:53,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:09:53,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:09:53,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:09:53" (1/1) ... [2021-11-21 01:09:53,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468533b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:53, skipping insertion in model container [2021-11-21 01:09:53,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:09:53" (1/1) ... [2021-11-21 01:09:53,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:09:54,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:09:54,698 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_881f1a1a-2424-416f-a275-a56b0d972944/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[33021,33034] [2021-11-21 01:09:54,881 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_881f1a1a-2424-416f-a275-a56b0d972944/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44124,44137] [2021-11-21 01:09:54,887 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_881f1a1a-2424-416f-a275-a56b0d972944/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44245,44258] [2021-11-21 01:09:54,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:09:54,948 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:09:54,991 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_881f1a1a-2424-416f-a275-a56b0d972944/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[33021,33034] [2021-11-21 01:09:55,141 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_881f1a1a-2424-416f-a275-a56b0d972944/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44124,44137] [2021-11-21 01:09:55,142 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_881f1a1a-2424-416f-a275-a56b0d972944/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44245,44258] [2021-11-21 01:09:55,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:09:55,222 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:09:55,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55 WrapperNode [2021-11-21 01:09:55,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:09:55,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:09:55,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:09:55,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:09:55,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55" (1/1) ... [2021-11-21 01:09:55,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55" (1/1) ... [2021-11-21 01:09:55,411 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-21 01:09:55,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:09:55,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:09:55,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:09:55,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:09:55,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55" (1/1) ... [2021-11-21 01:09:55,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55" (1/1) ... [2021-11-21 01:09:55,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55" (1/1) ... [2021-11-21 01:09:55,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55" (1/1) ... [2021-11-21 01:09:55,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55" (1/1) ... [2021-11-21 01:09:55,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55" (1/1) ... [2021-11-21 01:09:55,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55" (1/1) ... [2021-11-21 01:09:55,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:09:55,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:09:55,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:09:55,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:09:55,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55" (1/1) ... [2021-11-21 01:09:55,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:09:55,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:09:55,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:09:55,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:09:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:09:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:09:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:09:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:09:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:09:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:09:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:09:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:09:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:09:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:09:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:09:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:09:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:09:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:09:56,150 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:09:56,152 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:09:57,527 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:09:58,042 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:09:58,043 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-21 01:09:58,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:09:58 BoogieIcfgContainer [2021-11-21 01:09:58,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:09:58,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:09:58,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:09:58,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:09:58,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:09:53" (1/3) ... [2021-11-21 01:09:58,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1788303d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:09:58, skipping insertion in model container [2021-11-21 01:09:58,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:09:55" (2/3) ... [2021-11-21 01:09:58,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1788303d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:09:58, skipping insertion in model container [2021-11-21 01:09:58,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:09:58" (3/3) ... [2021-11-21 01:09:58,063 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-2.i [2021-11-21 01:09:58,072 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:09:58,072 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 01:09:58,133 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:09:58,143 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 01:09:58,144 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 01:09:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 01:09:58,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:09:58,181 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:09:58,182 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:09:58,182 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:09:58,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:09:58,191 INFO L85 PathProgramCache]: Analyzing trace with hash 28375133, now seen corresponding path program 1 times [2021-11-21 01:09:58,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:09:58,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828435877] [2021-11-21 01:09:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:09:58,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:09:58,353 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:09:58,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781126545] [2021-11-21 01:09:58,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:09:58,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:09:58,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:09:58,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:09:58,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:09:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:09:58,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:09:58,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:09:58,691 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 01:09:58,707 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 6 treesize of output 5 [2021-11-21 01:09:58,787 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 25 treesize of output 17 [2021-11-21 01:09:58,798 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 01:09:58,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:09:58,799 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:09:58,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828435877] [2021-11-21 01:09:58,799 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:09:58,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781126545] [2021-11-21 01:09:58,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781126545] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:09:58,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:09:58,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:09:58,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730565030] [2021-11-21 01:09:58,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:09:58,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:09:58,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:09:58,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:09:58,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:09:58,876 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 01:10:01,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:10:01,502 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2021-11-21 01:10:01,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:10:01,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-11-21 01:10:01,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:10:01,529 INFO L225 Difference]: With dead ends: 316 [2021-11-21 01:10:01,530 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 01:10:01,534 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 01:10:01,539 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:10:01,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 324 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 01:10:01,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 01:10:01,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-21 01:10:01,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 01:10:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-21 01:10:01,602 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-21 01:10:01,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:10:01,603 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-21 01:10:01,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 01:10:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-21 01:10:01,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 01:10:01,607 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:10:01,607 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] [2021-11-21 01:10:01,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:10:01,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:10:01,823 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:10:01,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:10:01,824 INFO L85 PathProgramCache]: Analyzing trace with hash 637186690, now seen corresponding path program 1 times [2021-11-21 01:10:01,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:10:01,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362140364] [2021-11-21 01:10:01,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:10:01,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:10:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:10:01,978 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 01:10:01,978 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:10:01,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362140364] [2021-11-21 01:10:01,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362140364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:10:01,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:10:01,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:10:01,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996157957] [2021-11-21 01:10:01,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:10:01,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:10:01,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:10:01,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:10:01,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:10:01,983 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:10:03,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:10:03,454 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-21 01:10:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:10:03,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-21 01:10:03,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:10:03,464 INFO L225 Difference]: With dead ends: 211 [2021-11-21 01:10:03,465 INFO L226 Difference]: Without dead ends: 159 [2021-11-21 01:10:03,465 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 01:10:03,467 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:10:03,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 01:10:03,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-21 01:10:03,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-21 01:10:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 01:10:03,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-21 01:10:03,486 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-21 01:10:03,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:10:03,486 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-21 01:10:03,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:10:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-21 01:10:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:10:03,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:10:03,489 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 01:10:03,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:10:03,489 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:10:03,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:10:03,490 INFO L85 PathProgramCache]: Analyzing trace with hash -401054575, now seen corresponding path program 1 times [2021-11-21 01:10:03,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:10:03,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686675705] [2021-11-21 01:10:03,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:10:03,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:10:03,520 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:10:03,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1194464063] [2021-11-21 01:10:03,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:10:03,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:10:03,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:10:03,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:10:03,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:10:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:10:03,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:10:03,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:10:04,057 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 01:10:04,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:10:04,058 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:10:04,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686675705] [2021-11-21 01:10:04,062 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:10:04,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194464063] [2021-11-21 01:10:04,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194464063] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:10:04,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:10:04,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:10:04,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491826411] [2021-11-21 01:10:04,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:10:04,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:10:04,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:10:04,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:10:04,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:10:04,068 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 01:10:06,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:10:06,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:10:06,183 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-21 01:10:06,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:10:06,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-11-21 01:10:06,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:10:06,202 INFO L225 Difference]: With dead ends: 277 [2021-11-21 01:10:06,202 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 01:10:06,203 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 01:10:06,205 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:10:06,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:10:06,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 01:10:06,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-21 01:10:06,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 01:10:06,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-21 01:10:06,225 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-21 01:10:06,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:10:06,225 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-21 01:10:06,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 01:10:06,226 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-21 01:10:06,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 01:10:06,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:10:06,228 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 01:10:06,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:10:06,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:10:06,442 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:10:06,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:10:06,443 INFO L85 PathProgramCache]: Analyzing trace with hash -886306081, now seen corresponding path program 1 times [2021-11-21 01:10:06,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:10:06,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698994436] [2021-11-21 01:10:06,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:10:06,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:10:06,468 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:10:06,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1378683477] [2021-11-21 01:10:06,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:10:06,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:10:06,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:10:06,470 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:10:06,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:10:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:10:07,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:10:07,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:10:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:10:07,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:10:07,218 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:10:07,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698994436] [2021-11-21 01:10:07,219 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:10:07,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378683477] [2021-11-21 01:10:07,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378683477] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:10:07,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:10:07,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:10:07,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053681724] [2021-11-21 01:10:07,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:10:07,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:10:07,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:10:07,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:10:07,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:10:07,222 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:10:08,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:10:08,454 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-21 01:10:08,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:10:08,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-11-21 01:10:08,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:10:08,466 INFO L225 Difference]: With dead ends: 308 [2021-11-21 01:10:08,466 INFO L226 Difference]: Without dead ends: 164 [2021-11-21 01:10:08,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 01:10:08,469 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:10:08,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 01:10:08,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-21 01:10:08,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-21 01:10:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-21 01:10:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-21 01:10:08,490 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-21 01:10:08,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:10:08,490 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-21 01:10:08,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:10:08,491 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-21 01:10:08,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 01:10:08,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:10:08,493 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 01:10:08,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 01:10:08,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:10:08,718 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:10:08,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:10:08,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1426734659, now seen corresponding path program 1 times [2021-11-21 01:10:08,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:10:08,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891547144] [2021-11-21 01:10:08,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:10:08,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:10:08,740 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:10:08,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2057847193] [2021-11-21 01:10:08,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:10:08,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:10:08,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:10:08,742 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:10:08,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881f1a1a-2424-416f-a275-a56b0d972944/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:10:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:10:09,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:10:09,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:10:09,402 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:10:09,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:10:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:10:09,643 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:10:09,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891547144] [2021-11-21 01:10:09,644 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:10:09,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057847193] [2021-11-21 01:10:09,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057847193] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:10:09,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [971899669] [2021-11-21 01:10:09,666 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 01:10:09,667 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:10:09,672 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:10:09,679 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:10:09,680 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:10:09,828 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 01:10:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:09,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 26 treesize of output 28 [2021-11-21 01:10:09,861 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 01:10:09,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:09,888 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:10:09,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-21 01:10:09,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:09,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:09,954 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:10:09,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 27 treesize of output 37 [2021-11-21 01:10:10,115 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 01:10:10,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,150 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:10:10,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:10:10,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,236 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 01:10:10,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:10:10,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 01:10:10,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,360 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:10:10,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 01:10:10,617 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 19 treesize of output 1 [2021-11-21 01:10:10,641 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 19 treesize of output 1 [2021-11-21 01:10:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,671 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 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 01:10:12,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-21 01:10:12,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 01:10:12,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,308 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 01:10:12,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,351 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 01:10:12,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 01:10:12,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,597 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 01:10:12,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,676 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 01:10:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:10:12,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 01:10:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,941 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-21 01:10:12,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 01:10:12,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:12,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,071 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-21 01:10:13,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 01:10:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 01:10:13,908 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 01:10:13,915 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 01:10:13,923 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 13 treesize of output 9 [2021-11-21 01:10:13,996 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:10:13,996 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 85 treesize of output 88 [2021-11-21 01:10:14,029 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:10:14,030 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 88 treesize of output 91 [2021-11-21 01:10:14,059 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:10:14,060 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 91 treesize of output 94 [2021-11-21 01:10:14,193 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 01:10:14,207 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 01:10:14,217 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 01:10:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,304 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 46 treesize of output 16 [2021-11-21 01:10:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:10:14,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,448 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 68 treesize of output 26 [2021-11-21 01:10:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,784 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 46 treesize of output 16 [2021-11-21 01:10:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:10:14,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,954 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 68 treesize of output 26 [2021-11-21 01:10:22,992 WARN L227 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:10:22,993 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:10:22,995 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 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 01:10:23,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:32,832 WARN L227 SmtUtils]: Spent 9.78s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:10:32,833 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:10:32,834 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 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 01:10:45,595 WARN L227 SmtUtils]: Spent 12.63s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:10:45,596 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 01:10:45,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-21 01:10:46,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:46,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:46,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:47,780 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 01:10:47,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25954 treesize of output 25985 [2021-11-21 01:10:47,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:49,257 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:10:49,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25964 treesize of output 25978 [2021-11-21 01:10:51,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:51,466 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:10:51,466 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 50 treesize of output 32 [2021-11-21 01:10:51,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:10:52,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:52,614 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 01:10:52,614 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 50 treesize of output 46 [2021-11-21 01:10:53,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:10:53,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:53,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:53,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:53,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:53,445 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-21 01:10:54,008 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:10:54,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1210 treesize of output 1926 [2021-11-21 01:10:55,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:55,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:55,504 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 1133 treesize of output 769 [2021-11-21 01:10:55,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:10:57,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:10:57,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:57,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:57,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:57,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:57,306 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 1201 treesize of output 769 [2021-11-21 01:10:57,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:10:58,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:10:59,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:59,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:59,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:59,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:59,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:59,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:59,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:59,149 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-11-21 01:10:59,169 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 01:10:59,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1210 treesize of output 772 [2021-11-21 01:10:59,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:59,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:59,840 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 1133 treesize of output 769 [2021-11-21 01:11:00,092 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:11:00,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:00,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:00,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:00,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:01,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:01,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:01,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:01,115 INFO L244 Elim1Store]: Index analysis took 201 ms [2021-11-21 01:11:01,117 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 1222 treesize of output 772 [2021-11-21 01:11:02,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:02,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:02,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:02,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:02,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:02,508 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-11-21 01:11:02,522 INFO L354 Elim1Store]: treesize reduction 70, result has 1.4 percent of original size [2021-11-21 01:11:02,524 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 1222 treesize of output 772 [2021-11-21 01:11:03,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:03,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:03,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:03,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:03,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:03,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:03,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:03,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:03,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:03,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:03,991 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-11-21 01:11:03,993 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 1231 treesize of output 775 [2021-11-21 01:11:04,479 INFO L244 Elim1Store]: Index analysis took 178 ms [2021-11-21 01:11:06,117 INFO L354 Elim1Store]: treesize reduction 981, result has 47.3 percent of original size [2021-11-21 01:11:06,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1231 treesize of output 1654 [2021-11-21 01:11:08,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:08,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:08,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:08,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:08,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:08,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:08,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:08,941 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-11-21 01:11:08,955 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-21 01:11:08,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1154 treesize of output 772 [2021-11-21 01:11:10,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:10,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:10,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:10,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:10,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:10,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:10,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:10,535 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-11-21 01:11:10,537 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 1222 treesize of output 772 [2021-11-21 01:11:16,197 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 01:11:16,198 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 13501 treesize of output 13509 [2021-11-21 01:11:17,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:11:17,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:17,914 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:11:17,914 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 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-21 01:11:18,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:18,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:18,347 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 01:11:18,348 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 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-21 01:11:19,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:11:19,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:19,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:19,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:11:19,524 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 34 treesize of output 16 [2021-11-21 01:11:28,336 INFO L190 IndexEqualityManager]: detected not equals via solver