./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:28:39,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:28:39,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:28:39,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:28:39,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:28:39,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:28:39,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:28:39,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:28:39,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:28:39,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:28:39,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:28:39,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:28:39,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:28:39,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:28:39,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:28:39,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:28:39,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:28:39,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:28:39,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:28:39,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:28:39,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:28:39,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:28:39,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:28:39,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:28:39,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:28:39,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:28:39,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:28:39,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:28:39,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:28:39,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:28:39,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:28:39,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:28:39,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:28:39,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:28:39,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:28:39,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:28:39,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:28:39,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:28:39,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:28:39,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:28:39,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:28:39,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:28:39,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:28:39,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:28:39,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:28:39,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:28:39,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:28:39,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:28:39,629 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:28:39,629 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:28:39,629 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:28:39,629 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:28:39,630 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:28:39,630 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:28:39,631 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:28:39,631 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:28:39,631 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:28:39,632 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:28:39,632 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:28:39,632 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:28:39,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:28:39,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:28:39,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:28:39,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:28:39,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:28:39,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:28:39,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:28:39,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:28:39,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:28:39,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:28:39,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:28:39,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:28:39,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:28:39,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:28:39,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:28:39,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:28:39,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:28:39,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:28:39,638 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:28:39,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:28:39,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:28:39,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:28:39,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:28:39,639 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_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 [2021-11-25 18:28:39,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:28:40,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:28:40,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:28:40,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:28:40,025 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:28:40,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2021-11-25 18:28:40,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/data/810274595/e35e3367d0e74bb6a20519fdc72cbafe/FLAG7d6c15371 [2021-11-25 18:28:40,768 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:28:40,769 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2021-11-25 18:28:40,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/data/810274595/e35e3367d0e74bb6a20519fdc72cbafe/FLAG7d6c15371 [2021-11-25 18:28:40,979 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/data/810274595/e35e3367d0e74bb6a20519fdc72cbafe [2021-11-25 18:28:40,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:28:40,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:28:40,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:28:40,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:28:40,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:28:40,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:28:40" (1/1) ... [2021-11-25 18:28:40,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d322139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:40, skipping insertion in model container [2021-11-25 18:28:40,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:28:40" (1/1) ... [2021-11-25 18:28:41,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:28:41,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:28:41,582 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_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2021-11-25 18:28:41,710 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_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2021-11-25 18:28:41,719 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_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2021-11-25 18:28:41,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:28:41,750 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:28:41,794 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_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2021-11-25 18:28:41,867 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_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2021-11-25 18:28:41,868 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_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2021-11-25 18:28:41,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:28:41,919 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:28:41,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41 WrapperNode [2021-11-25 18:28:41,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:28:41,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:28:41,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:28:41,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:28:41,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41" (1/1) ... [2021-11-25 18:28:41,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41" (1/1) ... [2021-11-25 18:28:42,100 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 996 [2021-11-25 18:28:42,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:28:42,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:28:42,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:28:42,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:28:42,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41" (1/1) ... [2021-11-25 18:28:42,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41" (1/1) ... [2021-11-25 18:28:42,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41" (1/1) ... [2021-11-25 18:28:42,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41" (1/1) ... [2021-11-25 18:28:42,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41" (1/1) ... [2021-11-25 18:28:42,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41" (1/1) ... [2021-11-25 18:28:42,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41" (1/1) ... [2021-11-25 18:28:42,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:28:42,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:28:42,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:28:42,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:28:42,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41" (1/1) ... [2021-11-25 18:28:42,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:28:42,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:28:42,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:28:42,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:28:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:28:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:28:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:28:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:28:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:28:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:28:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:28:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:28:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:28:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:28:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:28:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:28:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:28:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:28:42,565 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:28:42,567 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:28:43,655 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:28:44,061 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:28:44,061 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 18:28:44,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:28:44 BoogieIcfgContainer [2021-11-25 18:28:44,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:28:44,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:28:44,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:28:44,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:28:44,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:28:40" (1/3) ... [2021-11-25 18:28:44,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7642f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:28:44, skipping insertion in model container [2021-11-25 18:28:44,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41" (2/3) ... [2021-11-25 18:28:44,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7642f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:28:44, skipping insertion in model container [2021-11-25 18:28:44,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:28:44" (3/3) ... [2021-11-25 18:28:44,074 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test7-1.i [2021-11-25 18:28:44,097 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:28:44,097 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:28:44,158 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:28:44,168 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 [2021-11-25 18:28:44,168 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:28:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 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) [2021-11-25 18:28:44,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 18:28:44,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:28:44,201 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:28:44,201 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:28:44,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:28:44,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1906206326, now seen corresponding path program 1 times [2021-11-25 18:28:44,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:28:44,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475945817] [2021-11-25 18:28:44,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:44,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:28:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:28:44,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:28:44,424 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:28:44,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475945817] [2021-11-25 18:28:44,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475945817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:28:44,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:28:44,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:28:44,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672039105] [2021-11-25 18:28:44,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:28:44,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:28:44,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:28:44,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:28:44,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:28:44,473 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 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 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:28:44,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:28:44,977 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2021-11-25 18:28:44,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:28:44,986 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-25 18:28:44,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:28:44,994 INFO L225 Difference]: With dead ends: 215 [2021-11-25 18:28:44,995 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 18:28:44,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:28:45,002 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:28:45,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 18:28:45,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 18:28:45,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 18:28:45,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 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) [2021-11-25 18:28:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2021-11-25 18:28:45,049 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2021-11-25 18:28:45,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:28:45,050 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2021-11-25 18:28:45,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:28:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2021-11-25 18:28:45,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 18:28:45,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:28:45,051 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:28:45,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:28:45,052 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:28:45,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:28:45,053 INFO L85 PathProgramCache]: Analyzing trace with hash 30908713, now seen corresponding path program 1 times [2021-11-25 18:28:45,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:28:45,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584580791] [2021-11-25 18:28:45,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:45,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:28:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:28:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:28:45,125 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:28:45,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584580791] [2021-11-25 18:28:45,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584580791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:28:45,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:28:45,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:28:45,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801036337] [2021-11-25 18:28:45,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:28:45,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:28:45,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:28:45,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:28:45,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:28:45,129 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:28:47,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:28:47,168 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2021-11-25 18:28:47,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:28:47,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 18:28:47,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:28:47,178 INFO L225 Difference]: With dead ends: 219 [2021-11-25 18:28:47,178 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 18:28:47,179 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 [2021-11-25 18:28:47,180 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:28:47,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 285 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 18:28:47,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 18:28:47,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2021-11-25 18:28:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 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) [2021-11-25 18:28:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-11-25 18:28:47,195 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2021-11-25 18:28:47,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:28:47,196 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-11-25 18:28:47,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:28:47,196 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-11-25 18:28:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 18:28:47,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:28:47,198 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:28:47,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:28:47,199 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:28:47,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:28:47,200 INFO L85 PathProgramCache]: Analyzing trace with hash -667749530, now seen corresponding path program 1 times [2021-11-25 18:28:47,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:28:47,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922360877] [2021-11-25 18:28:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:47,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:28:47,437 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:28:47,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [462798126] [2021-11-25 18:28:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:47,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:28:47,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:28:47,447 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:28:47,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:28:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:28:48,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:28:48,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:28:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:28:48,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:28:48,363 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:28:48,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922360877] [2021-11-25 18:28:48,363 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:28:48,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462798126] [2021-11-25 18:28:48,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462798126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:28:48,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:28:48,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:28:48,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169627418] [2021-11-25 18:28:48,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:28:48,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:28:48,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:28:48,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:28:48,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:28:48,370 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:28:49,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:28:49,542 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2021-11-25 18:28:49,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:28:49,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-25 18:28:49,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:28:49,548 INFO L225 Difference]: With dead ends: 265 [2021-11-25 18:28:49,548 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 18:28:49,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:28:49,551 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:28:49,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 208 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:28:49,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 18:28:49,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2021-11-25 18:28:49,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 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) [2021-11-25 18:28:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2021-11-25 18:28:49,567 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2021-11-25 18:28:49,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:28:49,567 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2021-11-25 18:28:49,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:28:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2021-11-25 18:28:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 18:28:49,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:28:49,570 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, 1, 1, 1] [2021-11-25 18:28:49,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:28:49,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:28:49,784 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:28:49,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:28:49,784 INFO L85 PathProgramCache]: Analyzing trace with hash -357184176, now seen corresponding path program 1 times [2021-11-25 18:28:49,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:28:49,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196585648] [2021-11-25 18:28:49,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:49,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:28:49,852 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:28:49,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2073112383] [2021-11-25 18:28:49,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:49,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:28:49,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:28:49,854 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:28:49,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:28:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:28:50,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:28:50,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:28:50,488 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 [2021-11-25 18:28:50,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:28:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:28:50,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:28:50,523 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:28:50,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196585648] [2021-11-25 18:28:50,524 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:28:50,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073112383] [2021-11-25 18:28:50,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073112383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:28:50,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:28:50,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:28:50,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013198776] [2021-11-25 18:28:50,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:28:50,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:28:50,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:28:50,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:28:50,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:28:50,527 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:28:52,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:28:53,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:28:53,318 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2021-11-25 18:28:53,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:28:53,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2021-11-25 18:28:53,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:28:53,333 INFO L225 Difference]: With dead ends: 201 [2021-11-25 18:28:53,333 INFO L226 Difference]: Without dead ends: 197 [2021-11-25 18:28:53,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:28:53,335 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 46 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:28:53,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 287 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 18:28:53,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-25 18:28:53,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2021-11-25 18:28:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 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) [2021-11-25 18:28:53,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2021-11-25 18:28:53,355 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2021-11-25 18:28:53,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:28:53,357 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2021-11-25 18:28:53,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:28:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2021-11-25 18:28:53,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 18:28:53,360 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:28:53,361 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:28:53,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 18:28:53,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:28:53,576 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:28:53,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:28:53,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1806423702, now seen corresponding path program 1 times [2021-11-25 18:28:53,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:28:53,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498885450] [2021-11-25 18:28:53,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:53,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:28:53,656 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:28:53,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1402551040] [2021-11-25 18:28:53,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:53,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:28:53,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:28:53,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:28:53,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:28:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:28:54,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:28:54,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:28:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:28:54,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:28:54,313 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:28:54,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498885450] [2021-11-25 18:28:54,313 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:28:54,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402551040] [2021-11-25 18:28:54,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402551040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:28:54,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:28:54,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:28:54,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531243172] [2021-11-25 18:28:54,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:28:54,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:28:54,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:28:54,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:28:54,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:28:54,316 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:28:55,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:28:55,375 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2021-11-25 18:28:55,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:28:55,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-25 18:28:55,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:28:55,390 INFO L225 Difference]: With dead ends: 344 [2021-11-25 18:28:55,390 INFO L226 Difference]: Without dead ends: 206 [2021-11-25 18:28:55,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:28:55,392 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 227 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:28:55,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 175 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:28:55,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-25 18:28:55,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2021-11-25 18:28:55,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 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) [2021-11-25 18:28:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2021-11-25 18:28:55,412 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2021-11-25 18:28:55,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:28:55,413 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2021-11-25 18:28:55,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:28:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2021-11-25 18:28:55,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 18:28:55,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:28:55,416 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:28:55,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:28:55,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:28:55,640 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:28:55,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:28:55,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1808435595, now seen corresponding path program 1 times [2021-11-25 18:28:55,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:28:55,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031373701] [2021-11-25 18:28:55,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:55,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:28:55,704 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:28:55,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2041607900] [2021-11-25 18:28:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:55,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:28:55,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:28:55,707 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:28:55,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:29:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:29:02,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:29:02,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:29:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:29:03,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:29:03,081 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:29:03,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031373701] [2021-11-25 18:29:03,082 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:29:03,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041607900] [2021-11-25 18:29:03,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041607900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:29:03,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:29:03,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:29:03,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176508579] [2021-11-25 18:29:03,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:29:03,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:29:03,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:29:03,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:29:03,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:29:03,085 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:29:05,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:29:05,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:29:05,720 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2021-11-25 18:29:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:29:05,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2021-11-25 18:29:05,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:29:05,728 INFO L225 Difference]: With dead ends: 381 [2021-11-25 18:29:05,728 INFO L226 Difference]: Without dead ends: 201 [2021-11-25 18:29:05,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:29:05,730 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:29:05,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 18:29:05,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-25 18:29:05,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2021-11-25 18:29:05,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 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) [2021-11-25 18:29:05,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2021-11-25 18:29:05,749 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2021-11-25 18:29:05,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:29:05,749 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2021-11-25 18:29:05,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:29:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2021-11-25 18:29:05,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 18:29:05,752 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:29:05,753 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:29:05,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:29:05,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:29:05,968 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:29:05,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:29:05,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1272133155, now seen corresponding path program 1 times [2021-11-25 18:29:05,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:29:05,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717924910] [2021-11-25 18:29:05,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:29:05,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:29:06,023 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:29:06,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [399117804] [2021-11-25 18:29:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:29:06,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:29:06,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:29:06,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:29:06,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4bb5f9-361e-4339-8fe4-adc8544ae8b3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:29:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:29:09,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:29:09,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:29:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:29:09,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:29:09,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:29:09,810 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:29:09,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717924910] [2021-11-25 18:29:09,811 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:29:09,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399117804] [2021-11-25 18:29:09,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399117804] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:29:09,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1914965282] [2021-11-25 18:29:09,834 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 18:29:09,834 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:29:09,839 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:29:09,844 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:29:09,845 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:29:09,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,006 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:29:10,007 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 [2021-11-25 18:29:10,018 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 [2021-11-25 18:29:10,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:29:10,043 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 [2021-11-25 18:29:10,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 [2021-11-25 18:29:10,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,137 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:29:10,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:29:10,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:29:10,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2021-11-25 18:29:10,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:29:10,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 18:29:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:29:10,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:29:10,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 18:29:10,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-25 18:29:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-25 18:29:10,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 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 [2021-11-25 18:29:10,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 18:29:10,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 18:29:10,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 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 [2021-11-25 18:29:10,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2021-11-25 18:29:10,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2021-11-25 18:29:10,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:29:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:10,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 18:29:11,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-25 18:29:11,123 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 [2021-11-25 18:29:11,128 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 [2021-11-25 18:29:11,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:29:11,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:29:11,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:29:11,204 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 [2021-11-25 18:29:11,210 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 [2021-11-25 18:29:11,216 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 [2021-11-25 18:29:11,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 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 [2021-11-25 18:29:11,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:29:11,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 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 [2021-11-25 18:29:11,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 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 [2021-11-25 18:29:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 56 treesize of output 22 [2021-11-25 18:29:11,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:11,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:29:19,869 WARN L227 SmtUtils]: Spent 8.23s 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) [2021-11-25 18:29:19,870 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:29:19,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:29:19,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:31,428 WARN L227 SmtUtils]: Spent 11.41s 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) [2021-11-25 18:29:31,429 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:29:31,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:29:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:32,081 INFO L244 Elim1Store]: Index analysis took 451 ms [2021-11-25 18:29:45,577 WARN L227 SmtUtils]: Spent 13.15s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:29:45,578 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:29:45,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:29:46,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,319 INFO L244 Elim1Store]: Index analysis took 230 ms [2021-11-25 18:29:46,331 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:29:46,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:29:46,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:46,716 INFO L244 Elim1Store]: Index analysis took 195 ms [2021-11-25 18:29:46,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 18:29:47,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:47,412 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:29:47,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:29:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:47,842 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:29:47,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:29:48,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:48,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:48,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:48,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:48,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:48,463 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:48,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:48,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:48,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:48,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:48,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:48,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:48,774 INFO L244 Elim1Store]: Index analysis took 193 ms [2021-11-25 18:29:48,891 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:29:48,892 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 3084 treesize of output 2866 [2021-11-25 18:29:49,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:49,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:49,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:49,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:49,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,476 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 3096 treesize of output 2648 [2021-11-25 18:29:49,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:49,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:49,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:49,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:49,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:49,808 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 3105 treesize of output 2651 [2021-11-25 18:29:50,215 INFO L244 Elim1Store]: Index analysis took 217 ms [2021-11-25 18:29:52,700 INFO L354 Elim1Store]: treesize reduction 468, result has 74.7 percent of original size [2021-11-25 18:29:52,701 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 3105 treesize of output 4035 [2021-11-25 18:29:54,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:54,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:54,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:54,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:54,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:54,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:54,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:54,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:54,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:54,930 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-11-25 18:29:54,932 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 3096 treesize of output 2648 [2021-11-25 18:29:55,155 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:55,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:55,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:55,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:55,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:55,370 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 18:29:55,684 INFO L354 Elim1Store]: treesize reduction 6, result has 91.3 percent of original size [2021-11-25 18:29:55,684 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 3096 treesize of output 2710 [2021-11-25 18:29:56,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:56,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:56,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:56,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:57,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:57,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:57,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:57,121 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 3075 treesize of output 2645 [2021-11-25 18:29:57,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:57,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:57,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:29:57,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:57,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:57,981 INFO L354 Elim1Store]: treesize reduction 793, result has 31.2 percent of original size [2021-11-25 18:29:57,981 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 3084 treesize of output 3008 [2021-11-25 18:29:58,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:59,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:29:59,383 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:59,407 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:59,452 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:29:59,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:59,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 18:29:59,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:29:59,930 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 18:29:59,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 18:30:00,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:30:00,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:30:00,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:30:00,075 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 18:30:00,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:30:03,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:30:03,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:30:03,735 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:30:03,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:30:03,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:30:04,363 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:30:06,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:30:06,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:30:06,111 INFO L190 IndexEqualityManager]: detected not equals via solver