./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.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_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/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_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/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_179b30c1-2f0c-4608-8546-10939cf0c9b9/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 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:14:13,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:14:13,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:14:14,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:14:14,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:14:14,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:14:14,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:14:14,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:14:14,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:14:14,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:14:14,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:14:14,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:14:14,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:14:14,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:14:14,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:14:14,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:14:14,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:14:14,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:14:14,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:14:14,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:14:14,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:14:14,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:14:14,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:14:14,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:14:14,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:14:14,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:14:14,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:14:14,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:14:14,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:14:14,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:14:14,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:14:14,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:14:14,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:14:14,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:14:14,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:14:14,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:14:14,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:14:14,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:14:14,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:14:14,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:14:14,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:14:14,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:14:14,142 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:14:14,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:14:14,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:14:14,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:14:14,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:14:14,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:14:14,143 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:14:14,144 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:14:14,144 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:14:14,144 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:14:14,144 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:14:14,144 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:14:14,144 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:14:14,145 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:14:14,145 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:14:14,145 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:14:14,145 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:14:14,145 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:14:14,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:14:14,146 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:14:14,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:14:14,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:14:14,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:14:14,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:14:14,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:14:14,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:14:14,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:14:14,148 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:14:14,148 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:14:14,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:14:14,148 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:14:14,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:14:14,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:14:14,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:14:14,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:14:14,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:14:14,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:14:14,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:14:14,150 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:14:14,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:14:14,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:14:14,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:14:14,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:14:14,151 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_179b30c1-2f0c-4608-8546-10939cf0c9b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2021-11-20 23:14:14,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:14:14,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:14:14,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:14:14,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:14:14,425 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:14:14,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2021-11-20 23:14:14,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/data/91fa66375/cf523767fc3648968f368f9c4e4e1ef9/FLAGa8bea0007 [2021-11-20 23:14:15,101 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:14:15,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2021-11-20 23:14:15,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/data/91fa66375/cf523767fc3648968f368f9c4e4e1ef9/FLAGa8bea0007 [2021-11-20 23:14:15,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/data/91fa66375/cf523767fc3648968f368f9c4e4e1ef9 [2021-11-20 23:14:15,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:14:15,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:14:15,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:14:15,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:14:15,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:14:15,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:15" (1/1) ... [2021-11-20 23:14:15,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627c241e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:15, skipping insertion in model container [2021-11-20 23:14:15,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:15" (1/1) ... [2021-11-20 23:14:15,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:14:15,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:14:15,854 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_179b30c1-2f0c-4608-8546-10939cf0c9b9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2021-11-20 23:14:16,028 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_179b30c1-2f0c-4608-8546-10939cf0c9b9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2021-11-20 23:14:16,029 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_179b30c1-2f0c-4608-8546-10939cf0c9b9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2021-11-20 23:14:16,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:14:16,057 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:14:16,099 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_179b30c1-2f0c-4608-8546-10939cf0c9b9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2021-11-20 23:14:16,158 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_179b30c1-2f0c-4608-8546-10939cf0c9b9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2021-11-20 23:14:16,159 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_179b30c1-2f0c-4608-8546-10939cf0c9b9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2021-11-20 23:14:16,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:14:16,199 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:14:16,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16 WrapperNode [2021-11-20 23:14:16,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:14:16,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:14:16,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:14:16,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:14:16,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16" (1/1) ... [2021-11-20 23:14:16,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16" (1/1) ... [2021-11-20 23:14:16,334 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-20 23:14:16,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:14:16,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:14:16,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:14:16,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:14:16,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16" (1/1) ... [2021-11-20 23:14:16,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16" (1/1) ... [2021-11-20 23:14:16,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16" (1/1) ... [2021-11-20 23:14:16,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16" (1/1) ... [2021-11-20 23:14:16,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16" (1/1) ... [2021-11-20 23:14:16,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16" (1/1) ... [2021-11-20 23:14:16,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16" (1/1) ... [2021-11-20 23:14:16,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:14:16,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:14:16,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:14:16,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:14:16,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16" (1/1) ... [2021-11-20 23:14:16,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:14:16,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:16,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:14:16,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:14:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:14:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:14:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:14:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:14:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:14:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:14:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:14:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:14:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:14:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:14:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:14:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:14:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:14:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:14:16,832 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:14:16,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:14:17,901 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:14:18,334 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:14:18,334 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-20 23:14:18,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:18 BoogieIcfgContainer [2021-11-20 23:14:18,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:14:18,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:14:18,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:14:18,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:14:18,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:14:15" (1/3) ... [2021-11-20 23:14:18,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3238ce98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:18, skipping insertion in model container [2021-11-20 23:14:18,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:16" (2/3) ... [2021-11-20 23:14:18,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3238ce98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:18, skipping insertion in model container [2021-11-20 23:14:18,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:18" (3/3) ... [2021-11-20 23:14:18,354 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test7-1.i [2021-11-20 23:14:18,363 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:14:18,364 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 23:14:18,423 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:14:18,435 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 [2021-11-20 23:14:18,437 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 23:14:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:14:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-20 23:14:18,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:18,469 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-20 23:14:18,470 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:18,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:18,476 INFO L85 PathProgramCache]: Analyzing trace with hash 24617747, now seen corresponding path program 1 times [2021-11-20 23:14:18,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:18,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895558083] [2021-11-20 23:14:18,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:18,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:18,595 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:18,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1861440525] [2021-11-20 23:14:18,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:18,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:18,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:18,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:18,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:14:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:18,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:14:18,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:18,875 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 [2021-11-20 23:14:18,885 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 [2021-11-20 23:14:18,963 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 [2021-11-20 23:14:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:18,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:14:18,976 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:18,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895558083] [2021-11-20 23:14:18,977 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:14:18,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861440525] [2021-11-20 23:14:18,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861440525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:18,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:18,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:14:18,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550535986] [2021-11-20 23:14:18,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:19,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:14:19,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:19,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:14:19,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:14:19,058 INFO L87 Difference]: Start difference. First operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:14:20,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:20,931 INFO L93 Difference]: Finished difference Result 285 states and 496 transitions. [2021-11-20 23:14:20,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:14:20,949 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 [2021-11-20 23:14:20,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:20,960 INFO L225 Difference]: With dead ends: 285 [2021-11-20 23:14:20,960 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:14:20,964 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 [2021-11-20 23:14:20,967 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 58 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:20,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 296 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-20 23:14:20,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:14:21,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-20 23:14:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:14:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-20 23:14:21,025 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-20 23:14:21,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:21,027 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-20 23:14:21,028 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) [2021-11-20 23:14:21,028 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-20 23:14:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 23:14:21,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:21,031 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:14:21,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 23:14:21,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 23:14:21,232 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:21,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:21,232 INFO L85 PathProgramCache]: Analyzing trace with hash -179565833, now seen corresponding path program 1 times [2021-11-20 23:14:21,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:21,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387588020] [2021-11-20 23:14:21,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:21,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:21,356 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:21,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387588020] [2021-11-20 23:14:21,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387588020] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:21,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:21,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:14:21,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651119491] [2021-11-20 23:14:21,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:21,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:14:21,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:21,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:14:21,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:14:21,360 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:14:23,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:23,182 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-20 23:14:23,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:14:23,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-20 23:14:23,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:23,189 INFO L225 Difference]: With dead ends: 211 [2021-11-20 23:14:23,189 INFO L226 Difference]: Without dead ends: 159 [2021-11-20 23:14:23,190 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 [2021-11-20 23:14:23,191 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:23,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-20 23:14:23,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-20 23:14:23,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-20 23:14:23,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:14:23,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-20 23:14:23,205 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-20 23:14:23,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:23,205 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-20 23:14:23,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:14:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-20 23:14:23,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 23:14:23,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:23,207 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] [2021-11-20 23:14:23,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:14:23,208 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:23,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:23,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1301143671, now seen corresponding path program 1 times [2021-11-20 23:14:23,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:23,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22355244] [2021-11-20 23:14:23,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:23,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:23,232 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:23,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [817499861] [2021-11-20 23:14:23,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:23,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:23,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:23,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:23,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:14:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:23,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:14:23,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:23,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:14:23,618 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:23,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22355244] [2021-11-20 23:14:23,619 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:14:23,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817499861] [2021-11-20 23:14:23,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817499861] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:23,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:23,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:14:23,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921041980] [2021-11-20 23:14:23,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:23,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:14:23,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:23,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:14:23,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:23,621 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:14:24,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:24,382 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-20 23:14:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:14:24,389 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 [2021-11-20 23:14:24,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:24,391 INFO L225 Difference]: With dead ends: 277 [2021-11-20 23:14:24,391 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:14:24,392 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 [2021-11-20 23:14:24,393 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:24,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-20 23:14:24,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:14:24,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-20 23:14:24,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:14:24,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-20 23:14:24,409 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-20 23:14:24,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:24,410 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-20 23:14:24,410 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) [2021-11-20 23:14:24,410 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-20 23:14:24,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 23:14:24,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:24,412 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] [2021-11-20 23:14:24,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 23:14:24,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:24,625 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:24,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:24,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1414874843, now seen corresponding path program 1 times [2021-11-20 23:14:24,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:24,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938788036] [2021-11-20 23:14:24,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:24,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:24,649 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:24,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545069864] [2021-11-20 23:14:24,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:24,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:24,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:24,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:24,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:14:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:25,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:14:25,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:14:25,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:14:25,292 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:25,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938788036] [2021-11-20 23:14:25,292 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:14:25,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545069864] [2021-11-20 23:14:25,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545069864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:25,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:25,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:14:25,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410078376] [2021-11-20 23:14:25,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:25,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:14:25,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:25,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:14:25,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:14:25,294 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:14:26,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:26,356 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-20 23:14:26,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:14:26,365 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 [2021-11-20 23:14:26,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:26,368 INFO L225 Difference]: With dead ends: 308 [2021-11-20 23:14:26,368 INFO L226 Difference]: Without dead ends: 164 [2021-11-20 23:14:26,369 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 [2021-11-20 23:14:26,370 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:26,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 23:14:26,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-20 23:14:26,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-20 23:14:26,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 23:14:26,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-20 23:14:26,404 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-20 23:14:26,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:26,404 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-20 23:14:26,404 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) [2021-11-20 23:14:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-20 23:14:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-20 23:14:26,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:26,406 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] [2021-11-20 23:14:26,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:14:26,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-20 23:14:26,622 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:26,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:26,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1751785293, now seen corresponding path program 1 times [2021-11-20 23:14:26,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:26,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23957003] [2021-11-20 23:14:26,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:26,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:26,652 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:26,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1632929814] [2021-11-20 23:14:26,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:26,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:26,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:26,661 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:26,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179b30c1-2f0c-4608-8546-10939cf0c9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:14:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:27,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 23:14:27,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:27,661 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:14:27,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:14:27,843 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:14:27,843 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:27,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23957003] [2021-11-20 23:14:27,843 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:14:27,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632929814] [2021-11-20 23:14:27,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632929814] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:14:27,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1338814311] [2021-11-20 23:14:27,868 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-20 23:14:27,869 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:14:27,874 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:14:27,880 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:14:27,881 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:14:27,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,004 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-20 23:14:28,005 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 [2021-11-20 23:14:28,023 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 [2021-11-20 23:14:28,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,034 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 [2021-11-20 23:14:28,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,078 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:14:28,078 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 [2021-11-20 23:14:28,111 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 [2021-11-20 23:14:28,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-20 23:14:28,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,251 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:14:28,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-20 23:14:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,319 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-20 23:14:28,320 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 [2021-11-20 23:14:28,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:14:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,408 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:14:28,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-20 23:14:28,618 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 [2021-11-20 23:14:28,648 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 [2021-11-20 23:14:28,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,670 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 [2021-11-20 23:14:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,917 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 [2021-11-20 23:14:29,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,959 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 [2021-11-20 23:14:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:29,980 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 [2021-11-20 23:14:30,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,052 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 [2021-11-20 23:14:30,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,127 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 [2021-11-20 23:14:30,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,193 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 [2021-11-20 23:14:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,270 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 [2021-11-20 23:14:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,401 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 [2021-11-20 23:14:30,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,439 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 [2021-11-20 23:14:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,504 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-20 23:14:30,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 23:14:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,610 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-20 23:14:30,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 23:14:30,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:30,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-20 23:14:31,234 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 [2021-11-20 23:14:31,242 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 [2021-11-20 23:14:31,249 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 [2021-11-20 23:14:31,303 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-20 23:14:31,304 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 98 treesize of output 97 [2021-11-20 23:14:31,328 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 23:14:31,328 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 94 treesize of output 93 [2021-11-20 23:14:31,349 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 23:14:31,349 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 90 treesize of output 89 [2021-11-20 23:14:31,406 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 [2021-11-20 23:14:31,415 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 [2021-11-20 23:14:31,426 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 [2021-11-20 23:14:31,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,497 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 [2021-11-20 23:14:31,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,522 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 [2021-11-20 23:14:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,615 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 [2021-11-20 23:14:31,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,906 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 [2021-11-20 23:14:31,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,969 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 [2021-11-20 23:14:32,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:32,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:32,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:32,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:32,012 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 [2021-11-20 23:14:39,134 WARN L227 SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:14:39,135 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:14:39,135 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 [2021-11-20 23:14:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:48,589 WARN L227 SmtUtils]: Spent 9.42s 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) [2021-11-20 23:14:48,590 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:14:48,591 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 [2021-11-20 23:15:01,061 WARN L227 SmtUtils]: Spent 12.32s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:15:01,062 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 23:15:01,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-20 23:15:01,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:01,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:02,491 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:15:02,492 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 25954 treesize of output 25968 [2021-11-20 23:15:02,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:03,659 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-20 23:15:03,660 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 25953 treesize of output 25968 [2021-11-20 23:15:05,320 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:05,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:05,834 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:15:05,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-20 23:15:06,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:06,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:06,689 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:15:06,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-20 23:15:07,621 INFO L244 Elim1Store]: Index analysis took 322 ms [2021-11-20 23:15:09,999 INFO L354 Elim1Store]: treesize reduction 458, result has 75.4 percent of original size [2021-11-20 23:15:09,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2236 treesize of output 3186 [2021-11-20 23:15:25,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:25,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:25,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:25,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:25,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:25,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:25,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4858 treesize of output 3290 [2021-11-20 23:15:28,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:28,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:29,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:29,066 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:15:29,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-20 23:15:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:29,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:29,494 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-20 23:15:29,494 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 30 treesize of output 14 [2021-11-20 23:15:30,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:30,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:30,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:30,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:30,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-20 23:15:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:34,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:34,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:34,574 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-20 23:15:34,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 14713 treesize of output 14727 [2021-11-20 23:15:47,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:47,756 INFO L190 IndexEqualityManager]: detected not equals via solver