./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/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_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da01f7e29b47732481465e941f69a1c8f9dd5529ae81cb8448eb7568570e2356 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:12:31,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:12:31,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:12:31,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:12:31,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:12:31,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:12:31,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:12:31,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:12:32,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:12:32,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:12:32,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:12:32,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:12:32,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:12:32,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:12:32,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:12:32,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:12:32,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:12:32,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:12:32,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:12:32,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:12:32,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:12:32,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:12:32,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:12:32,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:12:32,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:12:32,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:12:32,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:12:32,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:12:32,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:12:32,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:12:32,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:12:32,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:12:32,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:12:32,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:12:32,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:12:32,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:12:32,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:12:32,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:12:32,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:12:32,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:12:32,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:12:32,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:12:32,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:12:32,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:12:32,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:12:32,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:12:32,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:12:32,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:12:32,126 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:12:32,126 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:12:32,127 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:12:32,127 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:12:32,128 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:12:32,128 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:12:32,129 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:12:32,129 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:12:32,129 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:12:32,130 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:12:32,130 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:12:32,130 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:12:32,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:12:32,131 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:12:32,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:12:32,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:12:32,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:12:32,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:12:32,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:12:32,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:12:32,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:12:32,134 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:12:32,135 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:12:32,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:12:32,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:12:32,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:12:32,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:12:32,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:12:32,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:12:32,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:12:32,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:12:32,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:12:32,137 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:12:32,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:12:32,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:12:32,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:12:32,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:12:32,139 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_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da01f7e29b47732481465e941f69a1c8f9dd5529ae81cb8448eb7568570e2356 [2021-11-21 01:12:32,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:12:32,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:12:32,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:12:32,450 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:12:32,451 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:12:32,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i [2021-11-21 01:12:32,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/data/e756ef010/a01359a4b9ab4ca3897a5805009e03c7/FLAG2f8a2f4ba [2021-11-21 01:12:33,071 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:12:33,071 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i [2021-11-21 01:12:33,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/data/e756ef010/a01359a4b9ab4ca3897a5805009e03c7/FLAG2f8a2f4ba [2021-11-21 01:12:33,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/data/e756ef010/a01359a4b9ab4ca3897a5805009e03c7 [2021-11-21 01:12:33,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:12:33,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:12:33,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:12:33,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:12:33,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:12:33,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:12:33" (1/1) ... [2021-11-21 01:12:33,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e5e07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:33, skipping insertion in model container [2021-11-21 01:12:33,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:12:33" (1/1) ... [2021-11-21 01:12:33,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:12:33,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:12:33,937 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_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i[37019,37032] [2021-11-21 01:12:34,097 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_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i[47352,47365] [2021-11-21 01:12:34,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:12:34,149 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:12:34,202 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_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i[37019,37032] [2021-11-21 01:12:34,256 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_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i[47352,47365] [2021-11-21 01:12:34,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:12:34,316 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:12:34,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34 WrapperNode [2021-11-21 01:12:34,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:12:34,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:12:34,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:12:34,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:12:34,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34" (1/1) ... [2021-11-21 01:12:34,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34" (1/1) ... [2021-11-21 01:12:34,471 INFO L137 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1047 [2021-11-21 01:12:34,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:12:34,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:12:34,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:12:34,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:12:34,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34" (1/1) ... [2021-11-21 01:12:34,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34" (1/1) ... [2021-11-21 01:12:34,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34" (1/1) ... [2021-11-21 01:12:34,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34" (1/1) ... [2021-11-21 01:12:34,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34" (1/1) ... [2021-11-21 01:12:34,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34" (1/1) ... [2021-11-21 01:12:34,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34" (1/1) ... [2021-11-21 01:12:34,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:12:34,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:12:34,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:12:34,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:12:34,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34" (1/1) ... [2021-11-21 01:12:34,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:12:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:34,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:12:34,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:12:34,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:12:34,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:12:34,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:12:34,670 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:12:34,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:12:34,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:12:34,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:12:34,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:12:34,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:12:34,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:12:34,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:12:34,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:12:34,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:12:34,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:12:34,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:12:34,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:12:34,916 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:12:34,934 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:12:36,043 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:12:36,462 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:12:36,463 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 01:12:36,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:12:36 BoogieIcfgContainer [2021-11-21 01:12:36,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:12:36,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:12:36,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:12:36,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:12:36,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:12:33" (1/3) ... [2021-11-21 01:12:36,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1749f842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:12:36, skipping insertion in model container [2021-11-21 01:12:36,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:34" (2/3) ... [2021-11-21 01:12:36,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1749f842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:12:36, skipping insertion in model container [2021-11-21 01:12:36,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:12:36" (3/3) ... [2021-11-21 01:12:36,477 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-2.i [2021-11-21 01:12:36,486 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:12:36,486 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 01:12:36,537 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:12:36,544 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:12:36,544 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 01:12:36,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:12:36,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:12:36,568 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:36,568 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:12:36,569 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:12:36,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:36,574 INFO L85 PathProgramCache]: Analyzing trace with hash 26703551, now seen corresponding path program 1 times [2021-11-21 01:12:36,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:36,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926401415] [2021-11-21 01:12:36,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:36,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:36,688 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:36,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1676628571] [2021-11-21 01:12:36,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:36,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:36,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:36,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:36,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:12:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:36,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:12:36,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:36,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:12:36,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 01:12:37,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-21 01:12:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:12:37,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:12:37,099 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:37,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926401415] [2021-11-21 01:12:37,100 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:37,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676628571] [2021-11-21 01:12:37,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676628571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:37,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:12:37,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:12:37,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456922212] [2021-11-21 01:12:37,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:37,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:12:37,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:37,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:12:37,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:12:37,148 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:12:40,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:40,098 INFO L93 Difference]: Finished difference Result 339 states and 578 transitions. [2021-11-21 01:12:40,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:12:40,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-21 01:12:40,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:40,122 INFO L225 Difference]: With dead ends: 339 [2021-11-21 01:12:40,123 INFO L226 Difference]: Without dead ends: 187 [2021-11-21 01:12:40,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:12:40,141 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 78 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:40,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 364 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-21 01:12:40,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-21 01:12:40,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2021-11-21 01:12:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 115 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:12:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2021-11-21 01:12:40,230 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2021-11-21 01:12:40,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:40,231 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2021-11-21 01:12:40,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:12:40,232 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2021-11-21 01:12:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:12:40,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:40,235 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:40,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 01:12:40,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:12:40,450 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:12:40,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:40,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1477708027, now seen corresponding path program 1 times [2021-11-21 01:12:40,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:40,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719873782] [2021-11-21 01:12:40,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:40,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:12:40,545 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:40,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719873782] [2021-11-21 01:12:40,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719873782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:40,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:12:40,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:12:40,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214393332] [2021-11-21 01:12:40,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:40,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:12:40,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:40,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:12:40,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:12:40,554 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:12:42,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:42,566 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2021-11-21 01:12:42,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:12:42,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-21 01:12:42,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:42,579 INFO L225 Difference]: With dead ends: 230 [2021-11-21 01:12:42,579 INFO L226 Difference]: Without dead ends: 174 [2021-11-21 01:12:42,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:12:42,582 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:42,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 343 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 01:12:42,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-21 01:12:42,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2021-11-21 01:12:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 115 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:12:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2021-11-21 01:12:42,596 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2021-11-21 01:12:42,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:42,597 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2021-11-21 01:12:42,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:12:42,597 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2021-11-21 01:12:42,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:12:42,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:42,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:42,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:12:42,599 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:12:42,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:42,600 INFO L85 PathProgramCache]: Analyzing trace with hash -420511850, now seen corresponding path program 1 times [2021-11-21 01:12:42,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:42,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801457094] [2021-11-21 01:12:42,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:42,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:42,621 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:42,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220215740] [2021-11-21 01:12:42,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:42,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:42,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:42,642 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:42,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:12:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:42,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:12:42,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:12:42,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:12:42,988 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:42,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801457094] [2021-11-21 01:12:42,988 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:42,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220215740] [2021-11-21 01:12:42,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220215740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:42,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:12:42,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:12:42,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45330993] [2021-11-21 01:12:42,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:42,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:12:42,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:42,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:12:42,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:12:42,992 INFO L87 Difference]: Start difference. First operand 121 states and 146 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:12:44,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:44,145 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2021-11-21 01:12:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:12:44,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-21 01:12:44,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:44,154 INFO L225 Difference]: With dead ends: 288 [2021-11-21 01:12:44,154 INFO L226 Difference]: Without dead ends: 172 [2021-11-21 01:12:44,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:12:44,156 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:44,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 01:12:44,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-21 01:12:44,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2021-11-21 01:12:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 162 states have internal predecessors, (183), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:12:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2021-11-21 01:12:44,181 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2021-11-21 01:12:44,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:44,182 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2021-11-21 01:12:44,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:12:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2021-11-21 01:12:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 01:12:44,184 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:44,184 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:44,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:12:44,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:44,387 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:12:44,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:44,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2075442148, now seen corresponding path program 1 times [2021-11-21 01:12:44,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:44,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119458742] [2021-11-21 01:12:44,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:44,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:44,409 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:44,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1370464574] [2021-11-21 01:12:44,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:44,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:44,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:44,410 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:44,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:12:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:44,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:12:44,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:12:44,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:12:44,924 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:44,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119458742] [2021-11-21 01:12:44,925 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:44,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370464574] [2021-11-21 01:12:44,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370464574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:44,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:12:44,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:12:44,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693705284] [2021-11-21 01:12:44,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:44,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:12:44,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:44,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:12:44,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:12:44,932 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:12:45,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:45,949 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2021-11-21 01:12:45,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:12:45,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-11-21 01:12:45,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:45,956 INFO L225 Difference]: With dead ends: 320 [2021-11-21 01:12:45,956 INFO L226 Difference]: Without dead ends: 170 [2021-11-21 01:12:45,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:12:45,958 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:45,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 374 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 01:12:45,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-21 01:12:45,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-21 01:12:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 164 states have internal predecessors, (185), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2021-11-21 01:12:45,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2021-11-21 01:12:45,974 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2021-11-21 01:12:45,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:45,975 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2021-11-21 01:12:45,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:12:45,975 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2021-11-21 01:12:45,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 01:12:45,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:45,977 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:46,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:12:46,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:46,194 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:12:46,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:46,195 INFO L85 PathProgramCache]: Analyzing trace with hash 185503546, now seen corresponding path program 1 times [2021-11-21 01:12:46,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:46,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389896288] [2021-11-21 01:12:46,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:46,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:46,229 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:46,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1397887394] [2021-11-21 01:12:46,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:46,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:46,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:46,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:46,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ee7f29-a85b-4e17-ba87-43753de2aa0e/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:12:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:46,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 01:12:46,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:12:46,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:12:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:12:46,958 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:46,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389896288] [2021-11-21 01:12:46,959 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:46,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397887394] [2021-11-21 01:12:46,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397887394] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:12:46,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1525947840] [2021-11-21 01:12:46,977 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 01:12:46,977 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:12:46,980 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:12:46,984 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:12:46,984 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:12:47,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:12:47,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:12:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,093 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:12:47,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-21 01:12:47,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 01:12:47,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,142 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:12:47,143 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 01:12:47,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:12:47,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:12:47,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,373 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 01:12:47,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:12:47,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,424 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 37 treesize of output 38 [2021-11-21 01:12:47,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,459 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:12:47,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 01:12:47,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:12:47,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:12:47,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:47,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 01:12:49,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:49,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-21 01:12:49,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 01:12:49,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:12:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:49,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:12:49,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 01:12:49,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:12:49,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,593 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:12:49,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 01:12:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 01:12:49,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,805 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 01:12:49,806 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 01:12:49,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:49,872 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:12:49,872 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 01:12:50,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:12:50,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:12:50,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:12:50,539 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:12:50,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 01:12:50,569 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:12:50,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 01:12:50,593 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:12:50,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 01:12:50,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:12:50,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:12:50,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:12:50,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:12:50,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:12:50,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:50,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:12:51,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:12:51,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:12:51,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:51,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:12:56,146 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:12:56,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 01:12:56,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:06,919 WARN L227 SmtUtils]: Spent 10.72s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:13:06,920 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:13:06,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 01:13:18,493 WARN L227 SmtUtils]: Spent 11.45s 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 01:13:18,495 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:13:18,496 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 01:13:19,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:19,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:19,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:20,613 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 01:13:20,614 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 25950 treesize of output 25981 [2021-11-21 01:13:20,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:21,322 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:13:21,323 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 25960 treesize of output 25974 [2021-11-21 01:13:23,418 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:13:23,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:23,766 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:13:23,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-21 01:13:24,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:24,397 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:13:24,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-21 01:13:25,194 INFO L244 Elim1Store]: Index analysis took 291 ms [2021-11-21 01:13:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:28,172 INFO L354 Elim1Store]: treesize reduction 366, result has 80.1 percent of original size [2021-11-21 01:13:28,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2305 treesize of output 3327 [2021-11-21 01:13:35,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:13:35,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:35,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:13:35,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:35,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:35,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:13:35,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:35,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:13:35,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:35,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:35,297 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-11-21 01:13:35,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1879 treesize of output 1425 [2021-11-21 01:13:36,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:36,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:13:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:37,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:37,710 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-21 01:13:37,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-21 01:13:41,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:41,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:41,797 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 01:13:41,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1708 treesize of output 1722 [2021-11-21 01:13:51,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:51,921 INFO L190 IndexEqualityManager]: detected not equals via solver