./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.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_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/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_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/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_a505bf29-590c-43ec-92fc-2dd98649e55d/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 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:19:44,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:19:44,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:19:44,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:19:44,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:19:44,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:19:44,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:19:44,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:19:44,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:19:44,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:19:44,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:19:44,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:19:44,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:19:44,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:19:44,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:19:44,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:19:44,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:19:44,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:19:44,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:19:44,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:19:44,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:19:44,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:19:44,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:19:44,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:19:44,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:19:44,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:19:44,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:19:44,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:19:44,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:19:44,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:19:44,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:19:44,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:19:44,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:19:44,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:19:44,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:19:44,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:19:44,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:19:44,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:19:44,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:19:44,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:19:44,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:19:44,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:19:44,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:19:44,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:19:44,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:19:44,940 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:19:44,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:19:44,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:19:44,947 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:19:44,948 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:19:44,948 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:19:44,948 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:19:44,949 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:19:44,950 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:19:44,950 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:19:44,950 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:19:44,950 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:19:44,951 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:19:44,951 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:19:44,951 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:19:44,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:19:44,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:19:44,953 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:19:44,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:19:44,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:19:44,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:19:44,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:19:44,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:19:44,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:19:44,956 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:19:44,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:19:44,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:19:44,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:19:44,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:19:44,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:19:44,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:19:44,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:19:44,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:19:44,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:19:44,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:19:44,959 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:19:44,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:19:44,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:19:44,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:19:44,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:19:44,960 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_a505bf29-590c-43ec-92fc-2dd98649e55d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a [2021-11-21 01:19:45,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:19:45,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:19:45,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:19:45,314 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:19:45,315 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:19:45,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2021-11-21 01:19:45,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/data/debe0ee2f/2f96aeb9d6104a3ab19593ee1b07651f/FLAGcea133e83 [2021-11-21 01:19:45,995 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:19:45,996 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2021-11-21 01:19:46,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/data/debe0ee2f/2f96aeb9d6104a3ab19593ee1b07651f/FLAGcea133e83 [2021-11-21 01:19:46,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/data/debe0ee2f/2f96aeb9d6104a3ab19593ee1b07651f [2021-11-21 01:19:46,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:19:46,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:19:46,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:19:46,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:19:46,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:19:46,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:19:46" (1/1) ... [2021-11-21 01:19:46,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3051ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:46, skipping insertion in model container [2021-11-21 01:19:46,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:19:46" (1/1) ... [2021-11-21 01:19:46,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:19:46,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:19:46,808 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_a505bf29-590c-43ec-92fc-2dd98649e55d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[33021,33034] [2021-11-21 01:19:46,946 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_a505bf29-590c-43ec-92fc-2dd98649e55d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[45234,45247] [2021-11-21 01:19:46,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:19:46,973 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:19:47,016 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_a505bf29-590c-43ec-92fc-2dd98649e55d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[33021,33034] [2021-11-21 01:19:47,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i[45234,45247] [2021-11-21 01:19:47,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:19:47,146 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:19:47,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47 WrapperNode [2021-11-21 01:19:47,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:19:47,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:19:47,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:19:47,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:19:47,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47" (1/1) ... [2021-11-21 01:19:47,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47" (1/1) ... [2021-11-21 01:19:47,319 INFO L137 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-21 01:19:47,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:19:47,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:19:47,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:19:47,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:19:47,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47" (1/1) ... [2021-11-21 01:19:47,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47" (1/1) ... [2021-11-21 01:19:47,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47" (1/1) ... [2021-11-21 01:19:47,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47" (1/1) ... [2021-11-21 01:19:47,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47" (1/1) ... [2021-11-21 01:19:47,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47" (1/1) ... [2021-11-21 01:19:47,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47" (1/1) ... [2021-11-21 01:19:47,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:19:47,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:19:47,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:19:47,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:19:47,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47" (1/1) ... [2021-11-21 01:19:47,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:19:47,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:47,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:19:47,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:19:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:19:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:19:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:19:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:19:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:19:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:19:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-21 01:19:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-21 01:19:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:19:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:19:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:19:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:19:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:19:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:19:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:19:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:19:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:19:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:19:47,771 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:19:47,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:19:48,827 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:19:49,274 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:19:49,274 INFO L301 CfgBuilder]: Removed 62 assume(true) statements. [2021-11-21 01:19:49,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:19:49 BoogieIcfgContainer [2021-11-21 01:19:49,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:19:49,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:19:49,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:19:49,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:19:49,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:19:46" (1/3) ... [2021-11-21 01:19:49,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405efd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:19:49, skipping insertion in model container [2021-11-21 01:19:49,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:47" (2/3) ... [2021-11-21 01:19:49,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405efd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:19:49, skipping insertion in model container [2021-11-21 01:19:49,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:19:49" (3/3) ... [2021-11-21 01:19:49,292 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test8-1.i [2021-11-21 01:19:49,298 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:19:49,298 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 01:19:49,359 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:19:49,375 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 01:19:49,376 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 01:19:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-21 01:19:49,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:19:49,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:49,423 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:19:49,423 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:19:49,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:49,429 INFO L85 PathProgramCache]: Analyzing trace with hash 28647256, now seen corresponding path program 1 times [2021-11-21 01:19:49,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:49,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310503546] [2021-11-21 01:19:49,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:49,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:49,544 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:19:49,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25098127] [2021-11-21 01:19:49,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:49,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:49,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:49,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:19:49,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:19:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:49,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:19:49,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:19:49,789 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 01:19:49,800 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 01:19:49,886 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 01:19:49,899 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 01:19:49,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:19:49,900 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:49,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310503546] [2021-11-21 01:19:49,900 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:19:49,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25098127] [2021-11-21 01:19:49,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25098127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:19:49,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:19:49,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:19:49,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64031728] [2021-11-21 01:19:49,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:19:49,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:19:49,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:19:49,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:19:49,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:19:49,953 INFO L87 Difference]: Start difference. First operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) 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 01:19:51,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:19:51,309 INFO L93 Difference]: Finished difference Result 368 states and 636 transitions. [2021-11-21 01:19:51,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:19:51,312 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 01:19:51,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:19:51,325 INFO L225 Difference]: With dead ends: 368 [2021-11-21 01:19:51,325 INFO L226 Difference]: Without dead ends: 208 [2021-11-21 01:19:51,329 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 01:19:51,333 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 57 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:19:51,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 503 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 01:19:51,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-21 01:19:51,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2021-11-21 01:19:51,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-21 01:19:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-21 01:19:51,428 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-21 01:19:51,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:19:51,429 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-21 01:19:51,429 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 01:19:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-21 01:19:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 01:19:51,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:51,433 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] [2021-11-21 01:19:51,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 01:19:51,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:19:51,647 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:19:51,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:51,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1765360856, now seen corresponding path program 1 times [2021-11-21 01:19:51,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:51,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619472641] [2021-11-21 01:19:51,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:51,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:51,768 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 01:19:51,769 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:51,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619472641] [2021-11-21 01:19:51,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619472641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:19:51,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:19:51,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:19:51,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777938122] [2021-11-21 01:19:51,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:19:51,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:19:51,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:19:51,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:19:51,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:19:51,772 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 01:19:55,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:19:55,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:19:55,409 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-21 01:19:55,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:19:55,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 26 [2021-11-21 01:19:55,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:19:55,412 INFO L225 Difference]: With dead ends: 297 [2021-11-21 01:19:55,413 INFO L226 Difference]: Without dead ends: 204 [2021-11-21 01:19:55,414 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 01:19:55,415 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 51 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:19:55,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 508 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-21 01:19:55,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-21 01:19:55,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-21 01:19:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-21 01:19:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-21 01:19:55,437 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-21 01:19:55,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:19:55,438 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-21 01:19:55,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 01:19:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-21 01:19:55,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 01:19:55,440 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:55,440 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:19:55,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:19:55,440 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:19:55,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:55,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1462000852, now seen corresponding path program 1 times [2021-11-21 01:19:55,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:55,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835359829] [2021-11-21 01:19:55,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:55,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:55,463 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:19:55,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [550115882] [2021-11-21 01:19:55,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:55,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:55,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:55,477 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:19:55,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:19:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:55,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:19:55,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:19:55,834 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 01:19:55,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:19:55,835 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:55,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835359829] [2021-11-21 01:19:55,835 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:19:55,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550115882] [2021-11-21 01:19:55,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550115882] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:19:55,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:19:55,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:19:55,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091606230] [2021-11-21 01:19:55,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:19:55,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:19:55,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:19:55,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:19:55,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:19:55,838 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 01:19:57,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:19:57,755 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-21 01:19:57,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:19:57,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 30 [2021-11-21 01:19:57,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:19:57,765 INFO L225 Difference]: With dead ends: 247 [2021-11-21 01:19:57,766 INFO L226 Difference]: Without dead ends: 246 [2021-11-21 01:19:57,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 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 01:19:57,768 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:19:57,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:19:57,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-21 01:19:57,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-21 01:19:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-21 01:19:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-21 01:19:57,792 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-21 01:19:57,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:19:57,793 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-21 01:19:57,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 01:19:57,793 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-21 01:19:57,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 01:19:57,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:57,795 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:19:57,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:19:58,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:58,009 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:19:58,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:58,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1922613802, now seen corresponding path program 1 times [2021-11-21 01:19:58,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:58,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432080485] [2021-11-21 01:19:58,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:58,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:58,031 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:19:58,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166094833] [2021-11-21 01:19:58,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:58,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:58,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:58,034 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:19:58,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:19:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:58,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:19:58,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:19:58,326 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 01:19:58,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:19:58,326 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:58,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432080485] [2021-11-21 01:19:58,326 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:19:58,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166094833] [2021-11-21 01:19:58,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166094833] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:19:58,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:19:58,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:19:58,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830698383] [2021-11-21 01:19:58,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:19:58,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:19:58,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:19:58,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:19:58,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:19:58,328 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 01:19:59,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:19:59,423 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-21 01:19:59,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:19:59,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 31 [2021-11-21 01:19:59,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:19:59,440 INFO L225 Difference]: With dead ends: 213 [2021-11-21 01:19:59,440 INFO L226 Difference]: Without dead ends: 212 [2021-11-21 01:19:59,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 01:19:59,442 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:19:59,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 01:19:59,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-21 01:19:59,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-21 01:19:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-21 01:19:59,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-21 01:19:59,476 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-21 01:19:59,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:19:59,477 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-21 01:19:59,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 01:19:59,477 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-21 01:19:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 01:19:59,484 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:59,484 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:19:59,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:19:59,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:59,685 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:19:59,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:59,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1907968587, now seen corresponding path program 1 times [2021-11-21 01:19:59,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:59,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456613928] [2021-11-21 01:19:59,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:59,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:59,723 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:19:59,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1735723148] [2021-11-21 01:19:59,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:59,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:59,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:59,726 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:19:59,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:19:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:59,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:19:59,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:20:00,100 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 01:20:00,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:20:00,101 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:20:00,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456613928] [2021-11-21 01:20:00,101 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:20:00,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735723148] [2021-11-21 01:20:00,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735723148] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:20:00,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:20:00,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:20:00,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640170216] [2021-11-21 01:20:00,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:20:00,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:20:00,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:20:00,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:20:00,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:20:00,105 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 01:20:01,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:20:01,182 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-21 01:20:01,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:20:01,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 39 [2021-11-21 01:20:01,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:20:01,185 INFO L225 Difference]: With dead ends: 432 [2021-11-21 01:20:01,185 INFO L226 Difference]: Without dead ends: 247 [2021-11-21 01:20:01,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 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 01:20:01,188 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:20:01,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 01:20:01,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-21 01:20:01,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-21 01:20:01,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-21 01:20:01,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-21 01:20:01,207 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-21 01:20:01,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:20:01,207 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-21 01:20:01,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 01:20:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-21 01:20:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:20:01,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:20:01,210 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] [2021-11-21 01:20:01,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:20:01,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:20:01,419 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:20:01,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:20:01,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1515966491, now seen corresponding path program 1 times [2021-11-21 01:20:01,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:20:01,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338044396] [2021-11-21 01:20:01,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:20:01,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:20:01,453 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:20:01,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2138922197] [2021-11-21 01:20:01,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:20:01,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:20:01,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:20:01,459 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:20:01,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:20:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:20:02,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:20:02,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:20:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:20:02,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:20:02,184 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:20:02,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338044396] [2021-11-21 01:20:02,184 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:20:02,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138922197] [2021-11-21 01:20:02,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138922197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:20:02,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:20:02,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:20:02,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261025253] [2021-11-21 01:20:02,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:20:02,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:20:02,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:20:02,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:20:02,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:20:02,187 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 01:20:03,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:20:03,724 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-21 01:20:03,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:20:03,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 52 [2021-11-21 01:20:03,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:20:03,732 INFO L225 Difference]: With dead ends: 471 [2021-11-21 01:20:03,732 INFO L226 Difference]: Without dead ends: 248 [2021-11-21 01:20:03,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 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 01:20:03,735 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:20:03,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 01:20:03,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-21 01:20:03,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-21 01:20:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2021-11-21 01:20:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-21 01:20:03,754 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-21 01:20:03,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:20:03,755 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-21 01:20:03,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 01:20:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-21 01:20:03,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 01:20:03,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:20:03,758 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:20:03,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:20:03,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-21 01:20:03,974 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:20:03,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:20:03,974 INFO L85 PathProgramCache]: Analyzing trace with hash -581800247, now seen corresponding path program 1 times [2021-11-21 01:20:03,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:20:03,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789292184] [2021-11-21 01:20:03,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:20:03,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:20:03,991 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:20:03,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841764615] [2021-11-21 01:20:03,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:20:03,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:20:03,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:20:03,992 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:20:04,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a505bf29-590c-43ec-92fc-2dd98649e55d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:20:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:20:04,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:20:04,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:20:04,942 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:20:04,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:20:05,128 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:20:05,129 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:20:05,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789292184] [2021-11-21 01:20:05,129 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:20:05,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841764615] [2021-11-21 01:20:05,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841764615] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:20:05,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [66158240] [2021-11-21 01:20:05,150 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-21 01:20:05,150 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:20:05,155 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:20:05,160 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:20:05,161 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:20:05,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,258 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:20:05,258 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 01:20:05,279 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 01:20:05,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:20:05,305 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 01:20:05,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,320 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 01:20:05,464 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 01:20:05,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,504 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 01:20:05,505 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 01:20:05,540 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 01:20:05,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,574 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:20:05,575 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 01:20:05,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,658 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:20:05,658 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 01:20:05,943 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 01:20:05,954 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 01:20:05,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:05,987 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 01:20:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,308 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 01:20:07,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,357 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 01:20:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-21 01:20:07,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 01:20:07,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 01:20:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,642 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 01:20:07,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,681 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 01:20:07,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,850 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:20:07,850 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 01:20:07,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,898 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 01:20:07,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,965 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:20:07,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 01:20:07,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:08,057 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-21 01:20:08,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 01:20:08,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:08,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:08,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:08,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:08,194 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 01:20:08,719 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 01:20:08,725 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 01:20:08,732 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 01:20:08,788 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:20:08,789 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 01:20:08,819 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:20:08,820 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 01:20:08,848 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:20:08,849 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 01:20:08,963 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 01:20:08,971 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 01:20:08,979 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 01:20:09,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,074 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 01:20:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,122 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 01:20:09,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,159 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 01:20:09,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,456 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 01:20:09,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,539 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 01:20:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:09,613 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 01:20:16,799 WARN L227 SmtUtils]: Spent 7.04s 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 01:20:16,800 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:20:16,800 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 01:20:16,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:25,346 WARN L227 SmtUtils]: Spent 8.51s 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 01:20:25,347 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:20:25,347 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 01:20:36,466 WARN L227 SmtUtils]: Spent 10.99s 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 01:20:36,468 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:20:36,494 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 01:20:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:38,536 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 01:20:38,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25950 treesize of output 25981 [2021-11-21 01:20:38,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:38,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:39,395 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:20:39,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25960 treesize of output 25974 [2021-11-21 01:20:41,172 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:20:41,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:41,498 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:20:41,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-21 01:20:41,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:42,058 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:20:42,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-21 01:20:42,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:20:43,448 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:20:43,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:20:44,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:20:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:44,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:44,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:20:44,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:44,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:20:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:44,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:20:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:44,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:44,902 INFO L244 Elim1Store]: Index analysis took 166 ms [2021-11-21 01:20:44,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1741 treesize of output 1287 [2021-11-21 01:20:47,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:20:48,194 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:20:51,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:51,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-21 01:20:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:51,910 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:20:51,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-21 01:20:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:52,125 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 01:20:52,125 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 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-21 01:20:52,586 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:20:55,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:55,769 INFO L244 Elim1Store]: Index analysis took 388 ms [2021-11-21 01:20:55,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:59,762 INFO L354 Elim1Store]: treesize reduction 8926, result has 45.5 percent of original size [2021-11-21 01:20:59,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 6554 treesize of output 12269 [2021-11-21 01:21:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:21:13,552 INFO L354 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2021-11-21 01:21:13,552 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 20285 treesize of output 20068 [2021-11-21 01:22:01,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:22:01,260 INFO L190 IndexEqualityManager]: detected not equals via solver