./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur --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 f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:21:11,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:21:11,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:21:11,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:21:11,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:21:11,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:21:11,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:21:11,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:21:11,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:21:11,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:21:11,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:21:11,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:21:11,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:21:11,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:21:11,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:21:11,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:21:11,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:21:11,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:21:11,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:21:11,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:21:11,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:21:11,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:21:11,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:21:11,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:21:11,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:21:11,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:21:11,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:21:11,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:21:11,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:21:11,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:21:11,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:21:11,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:21:11,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:21:11,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:21:11,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:21:11,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:21:11,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:21:11,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:21:11,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:21:11,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:21:11,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:21:11,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 22:21:11,947 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:21:11,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:21:11,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:21:11,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:21:11,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:21:11,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:21:11,951 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:21:11,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:21:11,951 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:21:11,952 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:21:11,953 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:21:11,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:21:11,954 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:21:11,954 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:21:11,955 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:21:11,955 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:21:11,956 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:21:11,956 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:21:11,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:21:11,962 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:21:11,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:21:11,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:21:11,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:21:11,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:21:11,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:21:11,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:21:11,964 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:21:11,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:21:11,964 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:21:11,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:21:11,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:21:11,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:21:11,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:21:11,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:21:11,967 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:21:11,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:21:11,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:21:11,968 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:21:11,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:21:11,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:21:11,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:21:11,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2022-11-25 22:21:12,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:21:12,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:21:12,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:21:12,475 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:21:12,475 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:21:12,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2022-11-25 22:21:16,261 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:21:16,876 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:21:16,881 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2022-11-25 22:21:16,914 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/data/245bebb73/675e1268172947e796c66f4cc90bcda3/FLAG6689549df [2022-11-25 22:21:16,942 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/data/245bebb73/675e1268172947e796c66f4cc90bcda3 [2022-11-25 22:21:16,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:21:16,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:21:16,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:21:16,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:21:16,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:21:16,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:16" (1/1) ... [2022-11-25 22:21:16,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765c2710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:16, skipping insertion in model container [2022-11-25 22:21:16,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:16" (1/1) ... [2022-11-25 22:21:16,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:21:17,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:21:17,702 WARN L237 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_8c673513-8ec9-4240-9920-e28e561f55b9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2022-11-25 22:21:18,141 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:21:18,146 WARN L237 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_8c673513-8ec9-4240-9920-e28e561f55b9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2022-11-25 22:21:18,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:21:18,165 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:21:18,224 WARN L237 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_8c673513-8ec9-4240-9920-e28e561f55b9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2022-11-25 22:21:18,385 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:21:18,390 WARN L237 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_8c673513-8ec9-4240-9920-e28e561f55b9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2022-11-25 22:21:18,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:21:18,444 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:21:18,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18 WrapperNode [2022-11-25 22:21:18,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:21:18,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:21:18,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:21:18,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:21:18,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (1/1) ... [2022-11-25 22:21:18,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (1/1) ... [2022-11-25 22:21:18,669 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-25 22:21:18,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:21:18,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:21:18,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:21:18,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:21:18,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (1/1) ... [2022-11-25 22:21:18,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (1/1) ... [2022-11-25 22:21:18,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (1/1) ... [2022-11-25 22:21:18,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (1/1) ... [2022-11-25 22:21:18,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (1/1) ... [2022-11-25 22:21:18,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (1/1) ... [2022-11-25 22:21:18,851 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (1/1) ... [2022-11-25 22:21:18,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (1/1) ... [2022-11-25 22:21:18,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:21:18,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:21:18,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:21:18,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:21:18,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (1/1) ... [2022-11-25 22:21:18,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:21:18,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:18,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:21:18,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:21:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:21:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:21:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:21:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:21:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:21:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:21:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:21:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:21:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:21:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:21:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 22:21:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:21:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:21:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:21:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:21:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:21:19,313 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:21:19,331 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:21:22,773 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:21:23,410 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:21:23,411 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-25 22:21:23,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:21:23 BoogieIcfgContainer [2022-11-25 22:21:23,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:21:23,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:21:23,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:21:23,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:21:23,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:21:16" (1/3) ... [2022-11-25 22:21:23,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edbedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:21:23, skipping insertion in model container [2022-11-25 22:21:23,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:18" (2/3) ... [2022-11-25 22:21:23,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edbedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:21:23, skipping insertion in model container [2022-11-25 22:21:23,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:21:23" (3/3) ... [2022-11-25 22:21:23,432 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-1.i [2022-11-25 22:21:23,457 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:21:23,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:21:23,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:21:23,596 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@339bc7c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:21:23,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:21:23,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 22:21:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 22:21:23,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:23,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:21:23,654 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:23,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:23,666 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-25 22:21:23,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:23,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003255906] [2022-11-25 22:21:23,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:23,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:21:23,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:23,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003255906] [2022-11-25 22:21:23,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003255906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:23,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:23,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:21:23,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812402938] [2022-11-25 22:21:23,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:23,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:21:23,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:24,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:21:24,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:21:24,030 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-25 22:21:25,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:25,457 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-25 22:21:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:21:25,472 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2022-11-25 22:21:25,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:25,506 INFO L225 Difference]: With dead ends: 2197 [2022-11-25 22:21:25,507 INFO L226 Difference]: Without dead ends: 1097 [2022-11-25 22:21:25,525 INFO L412 NwaCegarLoop]: 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 [2022-11-25 22:21:25,529 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:25,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 22:21:25,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-25 22:21:26,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-25 22:21:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 22:21:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-25 22:21:26,053 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-25 22:21:26,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:26,054 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-25 22:21:26,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-25 22:21:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-25 22:21:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 22:21:26,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:26,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:21:26,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:21:26,057 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:26,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:26,058 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-25 22:21:26,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:26,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819164645] [2022-11-25 22:21:26,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:26,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:21:26,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:26,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819164645] [2022-11-25 22:21:26,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819164645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:26,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:26,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:21:26,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111742801] [2022-11-25 22:21:26,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:26,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:21:26,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:26,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:21:26,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:21:26,629 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-25 22:21:29,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:29,629 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-25 22:21:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:21:29,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2022-11-25 22:21:29,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:29,659 INFO L225 Difference]: With dead ends: 3192 [2022-11-25 22:21:29,660 INFO L226 Difference]: Without dead ends: 2148 [2022-11-25 22:21:29,678 INFO L412 NwaCegarLoop]: 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 [2022-11-25 22:21:29,683 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:29,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 22:21:29,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-25 22:21:30,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-25 22:21:30,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 22:21:30,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-25 22:21:30,379 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-25 22:21:30,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:30,379 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-25 22:21:30,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-25 22:21:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-25 22:21:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 22:21:30,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:30,382 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:21:30,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:21:30,383 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:30,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:30,384 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-25 22:21:30,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:30,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613389831] [2022-11-25 22:21:30,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:30,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:30,567 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:30,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598147977] [2022-11-25 22:21:30,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:30,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:30,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:30,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:30,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:21:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:31,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:21:31,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:21:31,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:31,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:31,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613389831] [2022-11-25 22:21:31,752 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:31,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598147977] [2022-11-25 22:21:31,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598147977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:31,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:31,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:21:31,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840329359] [2022-11-25 22:21:31,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:31,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:21:31,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:31,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:21:31,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:21:31,756 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2022-11-25 22:21:33,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:21:33,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:33,728 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-25 22:21:33,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:21:33,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2022-11-25 22:21:33,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:33,756 INFO L225 Difference]: With dead ends: 3230 [2022-11-25 22:21:33,756 INFO L226 Difference]: Without dead ends: 2134 [2022-11-25 22:21:33,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:21:33,768 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:33,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 22:21:33,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-25 22:21:34,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-25 22:21:34,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-25 22:21:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-25 22:21:34,492 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-25 22:21:34,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:34,493 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-25 22:21:34,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2022-11-25 22:21:34,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-25 22:21:34,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 22:21:34,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:34,495 INFO L195 NwaCegarLoop]: 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] [2022-11-25 22:21:34,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:21:34,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:34,707 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:34,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:34,708 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-25 22:21:34,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:34,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653681012] [2022-11-25 22:21:34,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:34,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:34,811 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:34,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [632763827] [2022-11-25 22:21:34,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:34,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:34,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:34,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:34,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:21:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:35,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:21:35,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 22:21:35,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:35,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:35,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653681012] [2022-11-25 22:21:35,506 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:35,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632763827] [2022-11-25 22:21:35,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632763827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:35,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:35,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:21:35,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107174444] [2022-11-25 22:21:35,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:35,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:21:35,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:35,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:21:35,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:21:35,513 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 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) [2022-11-25 22:21:38,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:38,010 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-25 22:21:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:21:38,011 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 [2022-11-25 22:21:38,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:38,019 INFO L225 Difference]: With dead ends: 3228 [2022-11-25 22:21:38,020 INFO L226 Difference]: Without dead ends: 1112 [2022-11-25 22:21:38,031 INFO L412 NwaCegarLoop]: 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 [2022-11-25 22:21:38,033 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:38,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 22:21:38,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-25 22:21:38,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-25 22:21:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 22:21:38,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-25 22:21:38,285 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-25 22:21:38,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:38,289 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-25 22:21:38,289 INFO L496 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) [2022-11-25 22:21:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-25 22:21:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 22:21:38,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:38,295 INFO L195 NwaCegarLoop]: 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] [2022-11-25 22:21:38,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:21:38,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:38,503 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:38,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:38,503 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-25 22:21:38,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:38,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687135474] [2022-11-25 22:21:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:38,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:38,606 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:38,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [354821476] [2022-11-25 22:21:38,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:38,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:38,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:38,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:38,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:21:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:59,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:21:59,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:59,869 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:21:59,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:59,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:59,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687135474] [2022-11-25 22:21:59,870 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:59,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354821476] [2022-11-25 22:21:59,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354821476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:59,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:59,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:21:59,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524816446] [2022-11-25 22:21:59,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:59,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:21:59,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:59,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:21:59,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:21:59,873 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 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) [2022-11-25 22:22:01,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:22:01,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:01,986 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-25 22:22:01,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:22:01,992 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 [2022-11-25 22:22:01,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:02,001 INFO L225 Difference]: With dead ends: 2207 [2022-11-25 22:22:02,001 INFO L226 Difference]: Without dead ends: 1114 [2022-11-25 22:22:02,008 INFO L412 NwaCegarLoop]: 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 [2022-11-25 22:22:02,009 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:02,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-25 22:22:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-25 22:22:02,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-25 22:22:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-11-25 22:22:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-25 22:22:02,317 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-25 22:22:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:02,318 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-25 22:22:02,318 INFO L496 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) [2022-11-25 22:22:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-25 22:22:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 22:22:02,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:02,320 INFO L195 NwaCegarLoop]: 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] [2022-11-25 22:22:02,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:22:02,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:22:02,521 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:22:02,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:02,522 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-25 22:22:02,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:02,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421506496] [2022-11-25 22:22:02,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:02,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:02,612 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:22:02,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804389533] [2022-11-25 22:22:02,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:02,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:22:02,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:22:02,615 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:22:02,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c673513-8ec9-4240-9920-e28e561f55b9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:23:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:06,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 22:23:06,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:23:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 22:23:06,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:23:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 22:23:06,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:06,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421506496] [2022-11-25 22:23:06,547 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:23:06,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804389533] [2022-11-25 22:23:06,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804389533] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:23:06,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2111674738] [2022-11-25 22:23:06,584 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-25 22:23:06,584 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:23:06,588 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:23:06,594 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:23:06,594 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:23:06,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:23:06,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,737 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 22:23:06,738 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:06,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,751 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:06,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,764 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:06,774 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:06,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,849 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 22:23:06,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-25 22:23:06,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,917 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:23:06,918 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,948 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:06,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,979 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:06,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:06,999 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:07,528 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:07,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-25 22:23:07,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-25 22:23:07,740 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:07,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:23:07,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:07,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:23:08,012 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:08,034 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:08,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:23:08,167 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:08,200 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,292 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 22:23:08,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-25 22:23:08,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,406 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:23:08,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-25 22:23:08,617 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:08,624 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:08,630 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:08,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 22:23:08,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 22:23:08,680 INFO L350 Elim1Store]: Elim1 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 66 treesize of output 65 [2022-11-25 22:23:08,703 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:08,709 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:08,720 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 22:23:08,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:08,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 22:23:08,867 INFO L350 Elim1Store]: Elim1 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 108 treesize of output 42 [2022-11-25 22:23:08,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 22:23:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:09,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 22:23:09,227 INFO L350 Elim1Store]: Elim1 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 108 treesize of output 42 [2022-11-25 22:23:09,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 22:23:10,294 INFO L217 Elim1Store]: Index analysis took 747 ms [2022-11-25 22:23:14,955 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-25 22:23:14,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-25 22:23:17,635 INFO L217 Elim1Store]: Index analysis took 2354 ms [2022-11-25 22:23:18,678 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-25 22:23:18,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-25 22:23:27,250 WARN L233 SmtUtils]: Spent 8.36s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:23:27,251 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 22:23:27,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-25 22:23:27,711 INFO L217 Elim1Store]: Index analysis took 243 ms [2022-11-25 22:23:51,393 WARN L233 SmtUtils]: Spent 23.68s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:23:51,393 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 22:23:51,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-25 22:23:53,416 INFO L217 Elim1Store]: Index analysis took 1199 ms [2022-11-25 22:24:25,522 WARN L233 SmtUtils]: Spent 31.40s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:24:25,524 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-25 22:24:25,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-11-25 22:24:27,458 INFO L217 Elim1Store]: Index analysis took 161 ms [2022-11-25 22:24:28,021 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 22:24:28,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-25 22:24:28,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-25 22:24:28,612 INFO L217 Elim1Store]: Index analysis took 313 ms [2022-11-25 22:24:29,324 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:24:29,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-25 22:24:30,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:24:30,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-25 22:24:30,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:30,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 15 [2022-11-25 22:24:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:30,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 15 [2022-11-25 22:24:30,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:24:30,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 22:24:30,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:24:30,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 22:24:32,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:32,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:32,853 INFO L217 Elim1Store]: Index analysis took 117 ms [2022-11-25 22:24:32,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 32 treesize of output 20 [2022-11-25 22:24:33,049 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:24:33,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:24:33,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 22:24:34,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:34,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:24:34,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 22:24:34,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:34,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 22:24:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:34,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13 [2022-11-25 22:24:35,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:35,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13 [2022-11-25 22:24:36,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:36,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:36,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 22:24:50,208 INFO L217 Elim1Store]: Index analysis took 1882 ms [2022-11-25 22:34:33,216 WARN L233 SmtUtils]: Spent 9.72m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:34:33,216 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-25 22:34:33,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-11-25 22:35:29,812 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:35:30,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:30,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:30,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:30,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:30,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:35,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:35,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:35,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:35,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:35,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:35,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:36,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:36,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:41,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:41,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:41,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:35:41,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:09,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:09,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:09,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:09,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:09,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:09,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:36:09,180 INFO L173 IndexEqualityManager]: detected equality via solver