./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a08b66a27502bd32ab373960778294a6ce88841aa5560ae4bca712e152c143f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:19:00,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:19:00,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:19:01,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:19:01,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:19:01,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:19:01,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:19:01,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:19:01,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:19:01,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:19:01,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:19:01,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:19:01,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:19:01,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:19:01,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:19:01,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:19:01,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:19:01,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:19:01,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:19:01,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:19:01,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:19:01,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:19:01,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:19:01,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:19:01,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:19:01,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:19:01,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:19:01,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:19:01,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:19:01,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:19:01,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:19:01,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:19:01,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:19:01,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:19:01,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:19:01,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:19:01,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:19:01,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:19:01,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:19:01,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:19:01,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:19:01,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:19:01,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:19:01,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:19:01,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:19:01,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:19:01,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:19:01,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:19:01,145 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:19:01,146 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:19:01,146 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:19:01,146 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:19:01,146 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:19:01,147 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:19:01,147 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:19:01,147 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:19:01,147 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:19:01,148 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:19:01,148 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:19:01,148 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:19:01,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:19:01,149 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:19:01,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:19:01,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:19:01,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:19:01,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:19:01,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:19:01,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:19:01,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:19:01,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:19:01,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:19:01,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:19:01,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:19:01,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:19:01,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:19:01,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:19:01,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:19:01,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:19:01,153 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:19:01,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:19:01,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:19:01,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:19:01,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:19:01,155 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a08b66a27502bd32ab373960778294a6ce88841aa5560ae4bca712e152c143f [2021-11-21 00:19:01,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:19:01,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:19:01,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:19:01,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:19:01,432 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:19:01,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i [2021-11-21 00:19:01,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/data/6a183cfe4/4ec4b87fb2fe4d6dab65a32280e7819a/FLAG2b4d9ba67 [2021-11-21 00:19:02,168 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:19:02,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i [2021-11-21 00:19:02,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/data/6a183cfe4/4ec4b87fb2fe4d6dab65a32280e7819a/FLAG2b4d9ba67 [2021-11-21 00:19:02,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/data/6a183cfe4/4ec4b87fb2fe4d6dab65a32280e7819a [2021-11-21 00:19:02,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:19:02,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:19:02,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:19:02,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:19:02,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:19:02,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:19:02" (1/1) ... [2021-11-21 00:19:02,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1f2746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:02, skipping insertion in model container [2021-11-21 00:19:02,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:19:02" (1/1) ... [2021-11-21 00:19:02,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:19:02,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:19:02,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i[33021,33034] [2021-11-21 00:19:03,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i[49681,49694] [2021-11-21 00:19:03,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:19:03,248 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:19:03,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i[33021,33034] [2021-11-21 00:19:03,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i[49681,49694] [2021-11-21 00:19:03,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:19:03,482 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:19:03,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03 WrapperNode [2021-11-21 00:19:03,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:19:03,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:19:03,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:19:03,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:19:03,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03" (1/1) ... [2021-11-21 00:19:03,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03" (1/1) ... [2021-11-21 00:19:03,700 INFO L137 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1557 [2021-11-21 00:19:03,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:19:03,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:19:03,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:19:03,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:19:03,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03" (1/1) ... [2021-11-21 00:19:03,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03" (1/1) ... [2021-11-21 00:19:03,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03" (1/1) ... [2021-11-21 00:19:03,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03" (1/1) ... [2021-11-21 00:19:03,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03" (1/1) ... [2021-11-21 00:19:03,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03" (1/1) ... [2021-11-21 00:19:03,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03" (1/1) ... [2021-11-21 00:19:03,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:19:03,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:19:03,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:19:03,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:19:03,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03" (1/1) ... [2021-11-21 00:19:03,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:19:03,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:19:03,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:19:04,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:19:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:19:04,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:19:04,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:19:04,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:19:04,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:19:04,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:19:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:19:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:19:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:19:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:19:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:19:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:19:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:19:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:19:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:19:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:19:04,442 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:19:04,444 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:19:05,866 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:19:06,527 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:19:06,527 INFO L301 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-21 00:19:06,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:19:06 BoogieIcfgContainer [2021-11-21 00:19:06,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:19:06,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:19:06,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:19:06,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:19:06,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:19:02" (1/3) ... [2021-11-21 00:19:06,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2231e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:19:06, skipping insertion in model container [2021-11-21 00:19:06,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:03" (2/3) ... [2021-11-21 00:19:06,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2231e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:19:06, skipping insertion in model container [2021-11-21 00:19:06,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:19:06" (3/3) ... [2021-11-21 00:19:06,545 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-2.i [2021-11-21 00:19:06,552 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:19:06,552 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 00:19:06,630 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:19:06,647 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:19:06,651 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 00:19:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-21 00:19:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 00:19:06,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:06,690 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-21 00:19:06,691 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:19:06,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:06,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2112910889, now seen corresponding path program 1 times [2021-11-21 00:19:06,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:06,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273928807] [2021-11-21 00:19:06,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:06,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:19:06,888 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:06,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273928807] [2021-11-21 00:19:06,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273928807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:06,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:06,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:19:06,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662833437] [2021-11-21 00:19:06,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:06,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:19:06,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:06,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:19:06,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:19:06,929 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:19:09,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:09,157 INFO L93 Difference]: Finished difference Result 469 states and 850 transitions. [2021-11-21 00:19:09,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:19:09,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-21 00:19:09,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:09,188 INFO L225 Difference]: With dead ends: 469 [2021-11-21 00:19:09,189 INFO L226 Difference]: Without dead ends: 290 [2021-11-21 00:19:09,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:19:09,198 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 149 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:09,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 360 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 00:19:09,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-21 00:19:09,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2021-11-21 00:19:09,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-21 00:19:09,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2021-11-21 00:19:09,279 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 6 [2021-11-21 00:19:09,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:09,279 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2021-11-21 00:19:09,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:19:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-21 00:19:09,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 00:19:09,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:09,285 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:09,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:19:09,286 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:19:09,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:09,287 INFO L85 PathProgramCache]: Analyzing trace with hash 243995739, now seen corresponding path program 1 times [2021-11-21 00:19:09,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:09,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145908707] [2021-11-21 00:19:09,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:09,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:09,319 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:19:09,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1937078221] [2021-11-21 00:19:09,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:09,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:09,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:19:09,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:19:09,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:19:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:09,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:19:09,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:19:10,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:19:10,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:19:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:19:10,255 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:10,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145908707] [2021-11-21 00:19:10,258 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:19:10,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937078221] [2021-11-21 00:19:10,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937078221] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:19:10,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2059487460] [2021-11-21 00:19:10,302 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2021-11-21 00:19:10,303 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:19:10,308 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:19:10,315 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:19:10,315 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:19:10,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,507 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:19:10,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:19:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:19:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:19:10,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:10,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,637 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:19:10,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 00:19:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,714 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:19:10,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:19:10,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 00:19:10,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:10,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:19:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:19:12,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:19:12,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:19:12,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:12,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:19:14,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:19:14,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:19:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:19:14,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:14,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:19:14,418 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:19:15,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2059487460] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:15,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 00:19:15,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 00:19:15,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086437409] [2021-11-21 00:19:15,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:15,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 00:19:15,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:15,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 00:19:15,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:19:15,252 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:19:16,982 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:19:18,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:18,443 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2021-11-21 00:19:18,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 00:19:18,443 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2021-11-21 00:19:18,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:18,445 INFO L225 Difference]: With dead ends: 313 [2021-11-21 00:19:18,446 INFO L226 Difference]: Without dead ends: 164 [2021-11-21 00:19:18,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:19:18,449 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 14 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:18,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 295 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 00:19:18,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-21 00:19:18,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2021-11-21 00:19:18,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-21 00:19:18,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2021-11-21 00:19:18,468 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2021-11-21 00:19:18,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:18,468 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2021-11-21 00:19:18,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:19:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2021-11-21 00:19:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 00:19:18,473 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:18,473 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:18,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:19:18,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:18,698 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:19:18,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:18,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1551302318, now seen corresponding path program 1 times [2021-11-21 00:19:18,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:18,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297360787] [2021-11-21 00:19:18,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:18,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:18,722 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:19:18,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [225709226] [2021-11-21 00:19:18,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:18,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:18,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:19:18,727 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:19:18,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:19:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:19,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:19:19,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:19:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:19:19,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:19:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:19:19,549 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:19,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297360787] [2021-11-21 00:19:19,549 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:19:19,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225709226] [2021-11-21 00:19:19,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225709226] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:19:19,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1934101773] [2021-11-21 00:19:19,555 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-21 00:19:19,555 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:19:19,555 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:19:19,556 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:19:19,556 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:19:19,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,682 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:19:19,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:19:19,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:19:19,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:19:19,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,840 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:19:19,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 00:19:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:19:19,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,971 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:19:19,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:19:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:20,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 00:19:21,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:19:21,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:19:21,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:19:21,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:19:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 00:19:22,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:19:22,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:19:22,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,352 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:19:22,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:19:22,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:19:22,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:19:22,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,572 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 00:19:22,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 00:19:22,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,629 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 00:19:22,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 00:19:24,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:19:24,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:19:24,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:19:24,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:19:24,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:19:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 00:19:25,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:19:25,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:19:25,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,293 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-21 00:19:25,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 00:19:25,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,366 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-21 00:19:25,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 00:19:25,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:19:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:19:26,700 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-21 00:19:27,027 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:19:28,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1934101773] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:28,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 00:19:28,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 00:19:28,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588986362] [2021-11-21 00:19:28,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:28,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 00:19:28,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:28,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 00:19:28,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 00:19:28,343 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:19:32,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:19:35,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:35,101 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2021-11-21 00:19:35,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 00:19:35,102 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2021-11-21 00:19:35,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:35,104 INFO L225 Difference]: With dead ends: 315 [2021-11-21 00:19:35,104 INFO L226 Difference]: Without dead ends: 166 [2021-11-21 00:19:35,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 00:19:35,107 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 7 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:35,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 841 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 314 Invalid, 0 Unknown, 81 Unchecked, 6.7s Time] [2021-11-21 00:19:35,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-21 00:19:35,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-21 00:19:35,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-21 00:19:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2021-11-21 00:19:35,127 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2021-11-21 00:19:35,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:35,127 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2021-11-21 00:19:35,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:19:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2021-11-21 00:19:35,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 00:19:35,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:35,130 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:35,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:19:35,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:35,342 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:19:35,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:35,342 INFO L85 PathProgramCache]: Analyzing trace with hash 641923186, now seen corresponding path program 1 times [2021-11-21 00:19:35,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:35,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591042571] [2021-11-21 00:19:35,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:35,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:35,362 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:19:35,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1683919505] [2021-11-21 00:19:35,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:35,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:35,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:19:35,364 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:19:35,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9e0052-0e16-4cee-95b6-eec4a2e13108/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:19:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:35,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:19:35,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:19:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 00:19:35,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:19:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 00:19:36,047 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:36,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591042571] [2021-11-21 00:19:36,047 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:19:36,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683919505] [2021-11-21 00:19:36,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683919505] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:19:36,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [137447161] [2021-11-21 00:19:36,052 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-21 00:19:36,052 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:19:36,052 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:19:36,053 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:19:36,053 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:19:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,143 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:19:36,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:19:36,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:19:36,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,247 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:19:36,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 00:19:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,308 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:19:36,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:19:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:36,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 00:19:36,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:19:36,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:19:37,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:19:37,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:19:37,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:19:37,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:19:37,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:37,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:19:38,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:19:38,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 00:19:38,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,202 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:19:38,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:19:38,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:19:38,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,370 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 00:19:38,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 00:19:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,476 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-21 00:19:38,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 00:19:38,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:38,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:19:39,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 00:19:39,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:19:39,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:19:39,411 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:19:39,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 00:19:39,437 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 00:19:39,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 00:19:39,459 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:19:39,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 00:19:39,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:19:39,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:19:39,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:19:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:19:39,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:19:39,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:39,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:19:40,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:19:40,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:19:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:40,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:19:49,279 WARN L227 SmtUtils]: Spent 8.77s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:19:49,279 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:19:49,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:19:49,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:20:01,603 WARN L227 SmtUtils]: Spent 12.28s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:20:01,604 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:20:01,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:20:12,988 WARN L227 SmtUtils]: Spent 11.26s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:20:12,989 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 00:20:12,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 00:20:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:20:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:20:13,945 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:20:13,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25950 treesize of output 25964 [2021-11-21 00:20:14,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:20:14,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:20:14,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:20:14,903 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 00:20:14,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25949 treesize of output 25964 [2021-11-21 00:20:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:20:16,687 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 00:20:16,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-21 00:20:16,901 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:20:17,089 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:20:17,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:20:17,900 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 00:20:17,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44