./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.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_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/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_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/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_aaf1b381-3017-40a0-9615-80bbc443cf36/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 b06fba6fbf61d996c1af57497d908c6dba492febf0212a36ee7b28f5806d365e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:46:45,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:46:45,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:46:45,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:46:45,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:46:45,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:46:45,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:46:45,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:46:45,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:46:45,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:46:45,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:46:45,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:46:45,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:46:45,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:46:45,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:46:46,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:46:46,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:46:46,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:46:46,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:46:46,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:46:46,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:46:46,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:46:46,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:46:46,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:46:46,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:46:46,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:46:46,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:46:46,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:46:46,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:46:46,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:46:46,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:46:46,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:46:46,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:46:46,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:46:46,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:46:46,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:46:46,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:46:46,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:46:46,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:46:46,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:46:46,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:46:46,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:46:46,092 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:46:46,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:46:46,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:46:46,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:46:46,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:46:46,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:46:46,101 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:46:46,101 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:46:46,102 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:46:46,102 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:46:46,103 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:46:46,103 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:46:46,103 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:46:46,103 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:46:46,104 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:46:46,104 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:46:46,104 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:46:46,104 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:46:46,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:46:46,105 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:46:46,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:46:46,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:46:46,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:46:46,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:46:46,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:46:46,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:46:46,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:46:46,108 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:46:46,108 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:46:46,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:46:46,109 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:46:46,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:46:46,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:46:46,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:46:46,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:46,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:46:46,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:46:46,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:46:46,110 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:46:46,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:46:46,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:46:46,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:46:46,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:46:46,111 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_aaf1b381-3017-40a0-9615-80bbc443cf36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06fba6fbf61d996c1af57497d908c6dba492febf0212a36ee7b28f5806d365e [2021-11-21 01:46:46,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:46:46,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:46:46,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:46:46,428 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:46:46,429 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:46:46,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i [2021-11-21 01:46:46,506 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/data/685353095/5aeed8f76b5044628d3ecefe76953950/FLAG6f17b2033 [2021-11-21 01:46:47,226 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:46:47,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i [2021-11-21 01:46:47,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/data/685353095/5aeed8f76b5044628d3ecefe76953950/FLAG6f17b2033 [2021-11-21 01:46:47,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/data/685353095/5aeed8f76b5044628d3ecefe76953950 [2021-11-21 01:46:47,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:46:47,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:46:47,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:47,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:46:47,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:46:47,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:47" (1/1) ... [2021-11-21 01:46:47,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334e96dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:47, skipping insertion in model container [2021-11-21 01:46:47,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:47" (1/1) ... [2021-11-21 01:46:47,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:46:47,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:46:48,136 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_aaf1b381-3017-40a0-9615-80bbc443cf36/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i[33022,33035] [2021-11-21 01:46:48,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:46:48,403 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:46:48,433 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_aaf1b381-3017-40a0-9615-80bbc443cf36/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i[33022,33035] [2021-11-21 01:46:48,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:46:48,682 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:46:48,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48 WrapperNode [2021-11-21 01:46:48,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:48,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:46:48,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:46:48,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:46:48,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48" (1/1) ... [2021-11-21 01:46:48,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48" (1/1) ... [2021-11-21 01:46:48,847 INFO L137 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2179 [2021-11-21 01:46:48,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:46:48,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:46:48,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:46:48,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:46:48,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48" (1/1) ... [2021-11-21 01:46:48,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48" (1/1) ... [2021-11-21 01:46:48,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48" (1/1) ... [2021-11-21 01:46:48,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48" (1/1) ... [2021-11-21 01:46:48,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48" (1/1) ... [2021-11-21 01:46:48,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48" (1/1) ... [2021-11-21 01:46:48,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48" (1/1) ... [2021-11-21 01:46:49,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:46:49,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:46:49,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:46:49,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:46:49,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48" (1/1) ... [2021-11-21 01:46:49,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:49,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:49,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:46:49,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:46:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2021-11-21 01:46:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2021-11-21 01:46:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:46:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:46:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:46:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:46:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:46:49,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:46:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:46:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:46:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:46:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:46:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:46:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:46:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:46:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:46:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:46:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:46:49,454 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:46:49,456 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:46:51,164 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:46:51,959 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:46:51,959 INFO L301 CfgBuilder]: Removed 151 assume(true) statements. [2021-11-21 01:46:51,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:51 BoogieIcfgContainer [2021-11-21 01:46:51,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:46:51,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:46:51,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:46:51,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:46:51,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:46:47" (1/3) ... [2021-11-21 01:46:51,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e51e13e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:51, skipping insertion in model container [2021-11-21 01:46:51,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:48" (2/3) ... [2021-11-21 01:46:51,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e51e13e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:51, skipping insertion in model container [2021-11-21 01:46:51,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:51" (3/3) ... [2021-11-21 01:46:51,975 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test10-1.i [2021-11-21 01:46:51,980 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:46:51,981 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 01:46:52,043 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:46:52,052 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:46:52,052 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 01:46:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-21 01:46:52,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:46:52,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:52,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:46:52,092 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:46:52,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:52,097 INFO L85 PathProgramCache]: Analyzing trace with hash 56325447, now seen corresponding path program 1 times [2021-11-21 01:46:52,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:52,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406894588] [2021-11-21 01:46:52,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:52,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:52,212 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:52,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292879889] [2021-11-21 01:46:52,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:52,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:52,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:52,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:52,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:46:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:52,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:46:52,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:52,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:46:52,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 01:46:52,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-21 01:46:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:52,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:46:52,702 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:52,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406894588] [2021-11-21 01:46:52,702 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:52,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292879889] [2021-11-21 01:46:52,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292879889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:52,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:52,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:46:52,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177625581] [2021-11-21 01:46:52,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:52,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:46:52,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:52,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:46:52,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:46:52,752 INFO L87 Difference]: Start difference. First operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:56,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:56,118 INFO L93 Difference]: Finished difference Result 547 states and 974 transitions. [2021-11-21 01:46:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:46:56,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-21 01:46:56,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:56,134 INFO L225 Difference]: With dead ends: 547 [2021-11-21 01:46:56,134 INFO L226 Difference]: Without dead ends: 287 [2021-11-21 01:46:56,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:46:56,142 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 29 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:56,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 783 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 01:46:56,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-11-21 01:46:56,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 261. [2021-11-21 01:46:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.218487394957983) internal successors, (290), 248 states have internal predecessors, (290), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:46:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 317 transitions. [2021-11-21 01:46:56,202 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 317 transitions. Word has length 4 [2021-11-21 01:46:56,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:56,203 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 317 transitions. [2021-11-21 01:46:56,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 317 transitions. [2021-11-21 01:46:56,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:46:56,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:56,205 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:56,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:56,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:46:56,430 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:46:56,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:56,431 INFO L85 PathProgramCache]: Analyzing trace with hash 433822891, now seen corresponding path program 1 times [2021-11-21 01:46:56,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:56,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749477686] [2021-11-21 01:46:56,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:56,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:56,519 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:56,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749477686] [2021-11-21 01:46:56,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749477686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:56,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:56,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:46:56,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777002294] [2021-11-21 01:46:56,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:56,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:46:56,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:56,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:46:56,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:46:56,523 INFO L87 Difference]: Start difference. First operand 261 states and 317 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:47:00,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:00,690 INFO L93 Difference]: Finished difference Result 410 states and 503 transitions. [2021-11-21 01:47:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:47:00,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-21 01:47:00,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:00,695 INFO L225 Difference]: With dead ends: 410 [2021-11-21 01:47:00,695 INFO L226 Difference]: Without dead ends: 261 [2021-11-21 01:47:00,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:47:00,698 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 2 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:00,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 795 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-21 01:47:00,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-11-21 01:47:00,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2021-11-21 01:47:00,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.2142857142857142) internal successors, (289), 248 states have internal predecessors, (289), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:47:00,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 316 transitions. [2021-11-21 01:47:00,747 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 316 transitions. Word has length 20 [2021-11-21 01:47:00,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:00,747 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 316 transitions. [2021-11-21 01:47:00,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:47:00,748 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 316 transitions. [2021-11-21 01:47:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 01:47:00,749 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:00,749 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:47:00,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:47:00,750 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:47:00,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:00,750 INFO L85 PathProgramCache]: Analyzing trace with hash -649685512, now seen corresponding path program 1 times [2021-11-21 01:47:00,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:00,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104982528] [2021-11-21 01:47:00,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:00,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:00,773 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:00,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957047532] [2021-11-21 01:47:00,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:00,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:00,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:00,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:00,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:47:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:01,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:47:01,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:47:01,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:47:01,253 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:01,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104982528] [2021-11-21 01:47:01,253 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:01,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957047532] [2021-11-21 01:47:01,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957047532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:01,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:47:01,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:47:01,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946385864] [2021-11-21 01:47:01,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:01,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:47:01,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:01,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:47:01,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:47:01,258 INFO L87 Difference]: Start difference. First operand 261 states and 316 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:47:03,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:03,268 INFO L93 Difference]: Finished difference Result 632 states and 764 transitions. [2021-11-21 01:47:03,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:47:03,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 29 [2021-11-21 01:47:03,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:03,272 INFO L225 Difference]: With dead ends: 632 [2021-11-21 01:47:03,272 INFO L226 Difference]: Without dead ends: 376 [2021-11-21 01:47:03,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:47:03,275 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 119 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:03,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 598 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 01:47:03,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-21 01:47:03,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 372. [2021-11-21 01:47:03,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.191860465116279) internal successors, (410), 354 states have internal predecessors, (410), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-21 01:47:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 447 transitions. [2021-11-21 01:47:03,300 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 447 transitions. Word has length 29 [2021-11-21 01:47:03,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:03,301 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 447 transitions. [2021-11-21 01:47:03,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:47:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 447 transitions. [2021-11-21 01:47:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 01:47:03,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:03,305 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:47:03,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:47:03,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:03,534 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:47:03,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:03,535 INFO L85 PathProgramCache]: Analyzing trace with hash -656242656, now seen corresponding path program 1 times [2021-11-21 01:47:03,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:03,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837028523] [2021-11-21 01:47:03,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:03,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:03,556 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:03,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1404708630] [2021-11-21 01:47:03,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:03,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:03,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:03,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:03,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:47:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:03,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:47:03,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:03,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:47:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:03,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-21 01:47:03,979 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 01:47:03,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 42 [2021-11-21 01:47:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:47:04,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:47:04,103 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:04,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837028523] [2021-11-21 01:47:04,104 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:04,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404708630] [2021-11-21 01:47:04,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404708630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:04,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:47:04,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:47:04,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963474702] [2021-11-21 01:47:04,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:04,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:47:04,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:04,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:47:04,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:47:04,107 INFO L87 Difference]: Start difference. First operand 372 states and 447 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:47:06,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:47:10,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:10,540 INFO L93 Difference]: Finished difference Result 692 states and 833 transitions. [2021-11-21 01:47:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:47:10,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2021-11-21 01:47:10,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:10,543 INFO L225 Difference]: With dead ends: 692 [2021-11-21 01:47:10,544 INFO L226 Difference]: Without dead ends: 372 [2021-11-21 01:47:10,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:47:10,546 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 27 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:10,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 1001 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 249 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2021-11-21 01:47:10,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-11-21 01:47:10,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2021-11-21 01:47:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.188953488372093) internal successors, (409), 354 states have internal predecessors, (409), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-21 01:47:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 446 transitions. [2021-11-21 01:47:10,573 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 446 transitions. Word has length 42 [2021-11-21 01:47:10,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:10,573 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 446 transitions. [2021-11-21 01:47:10,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:47:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 446 transitions. [2021-11-21 01:47:10,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 01:47:10,585 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:10,586 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:47:10,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:47:10,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:10,807 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:47:10,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:10,809 INFO L85 PathProgramCache]: Analyzing trace with hash -391626636, now seen corresponding path program 1 times [2021-11-21 01:47:10,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:10,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571793940] [2021-11-21 01:47:10,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:10,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:10,857 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:10,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [916776488] [2021-11-21 01:47:10,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:10,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:10,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:10,860 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:10,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:47:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:11,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:47:11,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:47:11,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:47:11,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:11,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571793940] [2021-11-21 01:47:11,417 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:11,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916776488] [2021-11-21 01:47:11,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916776488] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:11,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:47:11,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:47:11,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073265075] [2021-11-21 01:47:11,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:11,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:47:11,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:11,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:47:11,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:47:11,421 INFO L87 Difference]: Start difference. First operand 372 states and 446 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:47:13,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:13,850 INFO L93 Difference]: Finished difference Result 838 states and 1006 transitions. [2021-11-21 01:47:13,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:47:13,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 63 [2021-11-21 01:47:13,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:13,855 INFO L225 Difference]: With dead ends: 838 [2021-11-21 01:47:13,855 INFO L226 Difference]: Without dead ends: 494 [2021-11-21 01:47:13,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:47:13,857 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 110 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:13,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 544 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 01:47:13,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-11-21 01:47:13,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 439. [2021-11-21 01:47:13,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 408 states have (on average 1.178921568627451) internal successors, (481), 418 states have internal predecessors, (481), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-21 01:47:13,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 524 transitions. [2021-11-21 01:47:13,900 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 524 transitions. Word has length 63 [2021-11-21 01:47:13,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:13,901 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 524 transitions. [2021-11-21 01:47:13,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:47:13,901 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 524 transitions. [2021-11-21 01:47:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 01:47:13,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:13,903 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:47:13,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:47:14,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:14,119 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:47:14,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:14,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1574397001, now seen corresponding path program 1 times [2021-11-21 01:47:14,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:14,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065940486] [2021-11-21 01:47:14,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:14,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:14,154 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:14,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [98910103] [2021-11-21 01:47:14,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:14,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:14,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:14,157 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:14,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:47:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:16,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:47:16,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 01:47:17,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:47:17,083 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:17,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065940486] [2021-11-21 01:47:17,083 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:17,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98910103] [2021-11-21 01:47:17,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98910103] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:17,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:47:17,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:47:17,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200075065] [2021-11-21 01:47:17,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:17,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:47:17,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:17,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:47:17,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:47:17,108 INFO L87 Difference]: Start difference. First operand 439 states and 524 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:47:19,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:19,447 INFO L93 Difference]: Finished difference Result 858 states and 1035 transitions. [2021-11-21 01:47:19,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:47:19,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 76 [2021-11-21 01:47:19,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:19,451 INFO L225 Difference]: With dead ends: 858 [2021-11-21 01:47:19,451 INFO L226 Difference]: Without dead ends: 441 [2021-11-21 01:47:19,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:47:19,453 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 1 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:19,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 833 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:47:19,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-11-21 01:47:19,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2021-11-21 01:47:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 409 states have (on average 1.1809290953545233) internal successors, (483), 420 states have internal predecessors, (483), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2021-11-21 01:47:19,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 529 transitions. [2021-11-21 01:47:19,476 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 529 transitions. Word has length 76 [2021-11-21 01:47:19,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:19,477 INFO L470 AbstractCegarLoop]: Abstraction has 441 states and 529 transitions. [2021-11-21 01:47:19,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:47:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 529 transitions. [2021-11-21 01:47:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 01:47:19,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:19,479 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:47:19,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:47:19,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:19,694 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:47:19,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:19,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1409610589, now seen corresponding path program 1 times [2021-11-21 01:47:19,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:19,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737570084] [2021-11-21 01:47:19,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:19,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:19,718 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:19,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868136504] [2021-11-21 01:47:19,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:19,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:19,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:19,721 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:19,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf1b381-3017-40a0-9615-80bbc443cf36/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:47:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:21,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 01:47:21,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 01:47:21,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:47:21,586 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:47:21,586 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:21,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737570084] [2021-11-21 01:47:21,586 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:21,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868136504] [2021-11-21 01:47:21,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868136504] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:47:21,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [368015958] [2021-11-21 01:47:21,608 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2021-11-21 01:47:21,608 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:47:21,612 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:47:21,617 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:47:21,618 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:47:21,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:47:21,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:21,759 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:47:21,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 01:47:21,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:21,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:47:21,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:21,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 01:47:21,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:47:21,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:21,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,010 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:47:22,011 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 [2021-11-21 01:47:22,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:47:22,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:47:22,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,136 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 01:47:22,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 01:47:22,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,208 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:47:22,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:47:22,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:47:22,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 01:47:22,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:47:24,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,077 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 89 treesize of output 77 [2021-11-21 01:47:24,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,103 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 74 treesize of output 76 [2021-11-21 01:47:24,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:47:24,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:47:24,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,384 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 108 treesize of output 98 [2021-11-21 01:47:24,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,415 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 89 treesize of output 79 [2021-11-21 01:47:24,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:47:24,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:47:24,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,668 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:47:24,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 01:47:24,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:47:24,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 01:47:24,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,895 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 01:47:24,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 01:47:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,964 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:47:24,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 01:47:25,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:47:25,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:47:25,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:47:25,680 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:47:25,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 01:47:25,707 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:47:25,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 01:47:25,726 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:47:25,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 01:47:25,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:47:25,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:47:25,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:47:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:47:25,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:25,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:47:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:47:26,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:47:26,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:47:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:47:32,652 WARN L227 SmtUtils]: Spent 6.00s 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) [2021-11-21 01:47:32,652 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:47:32,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 01:47:32,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:42,997 WARN L227 SmtUtils]: Spent 10.31s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:47:42,998 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:47:42,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 01:47:55,215 WARN L227 SmtUtils]: Spent 12.03s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:47:55,216 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:47:55,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 01:47:55,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:55,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:56,427 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:47:56,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25950 treesize of output 25964 [2021-11-21 01:47:56,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:56,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:56,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:57,578 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 01:47:57,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25949 treesize of output 25964 [2021-11-21 01:47:59,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:47:59,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:59,849 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:47:59,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-21 01:48:00,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:00,672 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:48:00,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-21 01:48:00,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:00,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:00,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:01,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:01,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:01,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:01,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:01,100 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-21 01:48:01,202 INFO L354 Elim1Store]: treesize reduction 23, result has 66.7 percent of original size [2021-11-21 01:48:01,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1715 treesize of output 1313 [2021-11-21 01:48:02,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:02,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:02,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:02,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:02,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:02,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:02,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:02,420 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-21 01:48:02,422 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 1715 treesize of output 1267 [2021-11-21 01:48:03,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:03,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:03,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:03,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:03,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:03,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:03,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:03,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:03,379 INFO L244 Elim1Store]: Index analysis took 169 ms [2021-11-21 01:48:03,381 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 1715 treesize of output 1267 [2021-11-21 01:48:04,697 INFO L244 Elim1Store]: Index analysis took 239 ms [2021-11-21 01:48:07,217 INFO L354 Elim1Store]: treesize reduction 502, result has 73.0 percent of original size [2021-11-21 01:48:07,217 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 1724 treesize of output 2624 [2021-11-21 01:48:11,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:13,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:16,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:16,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:16,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:16,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:16,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:17,177 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:48:17,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1703 treesize of output 2419 [2021-11-21 01:48:19,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:19,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:19,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:19,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:19,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1694 treesize of output 1264 [2021-11-21 01:48:19,904 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:20,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:20,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:20,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:20,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:20,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:20,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:20,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:20,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:20,985 INFO L244 Elim1Store]: Index analysis took 251 ms [2021-11-21 01:48:21,003 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 01:48:21,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1703 treesize of output 1267 [2021-11-21 01:48:21,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:21,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:24,449 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 01:48:24,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1700 treesize of output 1708 [2021-11-21 01:48:25,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:25,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-21 01:48:26,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:27,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:27,295 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-11-21 01:48:27,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:28,400 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-21 01:48:28,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-21 01:48:29,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:29,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:29,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:29,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-21 01:48:36,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:36,576 INFO L190 IndexEqualityManager]: detected not equals via solver