./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/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_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/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_51af6580-de83-47e3-9a6e-2eca96123e10/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 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:09:25,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:09:25,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:09:25,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:09:25,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:09:25,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:09:25,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:09:25,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:09:25,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:09:25,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:09:26,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:09:26,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:09:26,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:09:26,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:09:26,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:09:26,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:09:26,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:09:26,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:09:26,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:09:26,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:09:26,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:09:26,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:09:26,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:09:26,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:09:26,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:09:26,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:09:26,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:09:26,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:09:26,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:09:26,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:09:26,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:09:26,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:09:26,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:09:26,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:09:26,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:09:26,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:09:26,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:09:26,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:09:26,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:09:26,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:09:26,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:09:26,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:09:26,105 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:09:26,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:09:26,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:09:26,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:09:26,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:09:26,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:09:26,114 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:09:26,114 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:09:26,114 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:09:26,114 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:09:26,115 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:09:26,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:09:26,116 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:09:26,116 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:09:26,116 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:09:26,117 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:09:26,117 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:09:26,117 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:09:26,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:09:26,118 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:09:26,119 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:09:26,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:09:26,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:09:26,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:09:26,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:09:26,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:09:26,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:09:26,122 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:09:26,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:09:26,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:09:26,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:09:26,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:09:26,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:09:26,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:09:26,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:09:26,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:09:26,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:09:26,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:09:26,125 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:09:26,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:09:26,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:09:26,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:09:26,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:09:26,126 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_51af6580-de83-47e3-9a6e-2eca96123e10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 [2021-11-21 00:09:26,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:09:26,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:09:26,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:09:26,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:09:26,479 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:09:26,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2021-11-21 00:09:26,561 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/data/de914d3a4/f0c3cf1c717140e68c5dc311675aa1ac/FLAG1008d1bb5 [2021-11-21 00:09:27,233 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:09:27,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2021-11-21 00:09:27,253 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/data/de914d3a4/f0c3cf1c717140e68c5dc311675aa1ac/FLAG1008d1bb5 [2021-11-21 00:09:27,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/data/de914d3a4/f0c3cf1c717140e68c5dc311675aa1ac [2021-11-21 00:09:27,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:09:27,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:09:27,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:09:27,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:09:27,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:09:27,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:09:27" (1/1) ... [2021-11-21 00:09:27,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@648eac14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:27, skipping insertion in model container [2021-11-21 00:09:27,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:09:27" (1/1) ... [2021-11-21 00:09:27,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:09:27,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:09:27,919 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_51af6580-de83-47e3-9a6e-2eca96123e10/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[33021,33034] [2021-11-21 00:09:28,023 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_51af6580-de83-47e3-9a6e-2eca96123e10/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[45234,45247] [2021-11-21 00:09:28,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:09:28,078 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:09:28,132 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_51af6580-de83-47e3-9a6e-2eca96123e10/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[33021,33034] [2021-11-21 00:09:28,223 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_51af6580-de83-47e3-9a6e-2eca96123e10/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[45234,45247] [2021-11-21 00:09:28,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:09:28,268 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:09:28,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28 WrapperNode [2021-11-21 00:09:28,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:09:28,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:09:28,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:09:28,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:09:28,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28" (1/1) ... [2021-11-21 00:09:28,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28" (1/1) ... [2021-11-21 00:09:28,410 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-21 00:09:28,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:09:28,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:09:28,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:09:28,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:09:28,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28" (1/1) ... [2021-11-21 00:09:28,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28" (1/1) ... [2021-11-21 00:09:28,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28" (1/1) ... [2021-11-21 00:09:28,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28" (1/1) ... [2021-11-21 00:09:28,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28" (1/1) ... [2021-11-21 00:09:28,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28" (1/1) ... [2021-11-21 00:09:28,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28" (1/1) ... [2021-11-21 00:09:28,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:09:28,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:09:28,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:09:28,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:09:28,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28" (1/1) ... [2021-11-21 00:09:28,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:09:28,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:09:28,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:09:28,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:09:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:09:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:09:28,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:09:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:09:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:09:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:09:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-21 00:09:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-21 00:09:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:09:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:09:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:09:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:09:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:09:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:09:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:09:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:09:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:09:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:09:28,947 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:09:28,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:09:29,935 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:09:30,333 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:09:30,333 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-21 00:09:30,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:09:30 BoogieIcfgContainer [2021-11-21 00:09:30,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:09:30,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:09:30,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:09:30,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:09:30,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:09:27" (1/3) ... [2021-11-21 00:09:30,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d85f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:09:30, skipping insertion in model container [2021-11-21 00:09:30,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:28" (2/3) ... [2021-11-21 00:09:30,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d85f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:09:30, skipping insertion in model container [2021-11-21 00:09:30,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:09:30" (3/3) ... [2021-11-21 00:09:30,345 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test8-2.i [2021-11-21 00:09:30,351 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:09:30,351 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 00:09:30,400 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:09:30,407 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:09:30,408 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 00:09:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 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 00:09:30,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 00:09:30,432 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:09:30,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 00:09:30,433 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 00:09:30,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:09:30,439 INFO L85 PathProgramCache]: Analyzing trace with hash 32406471, now seen corresponding path program 1 times [2021-11-21 00:09:30,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:09:30,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195408358] [2021-11-21 00:09:30,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:30,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:09:30,576 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:09:30,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615722601] [2021-11-21 00:09:30,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:30,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:09:30,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:09:30,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:09:30,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:09:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:09:30,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:09:30,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:09:30,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:09:30,961 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 20 treesize of output 12 [2021-11-21 00:09:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:09:30,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:09:30,974 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:09:30,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195408358] [2021-11-21 00:09:30,975 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:09:30,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615722601] [2021-11-21 00:09:30,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615722601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:09:30,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:09:30,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:09:30,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193711619] [2021-11-21 00:09:30,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:09:30,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:09:30,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:09:31,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:09:31,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:09:31,023 INFO L87 Difference]: Start difference. First operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 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 00:09:32,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:09:32,732 INFO L93 Difference]: Finished difference Result 410 states and 706 transitions. [2021-11-21 00:09:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:09:32,735 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 00:09:32,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:09:32,747 INFO L225 Difference]: With dead ends: 410 [2021-11-21 00:09:32,747 INFO L226 Difference]: Without dead ends: 217 [2021-11-21 00:09:32,751 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 00:09:32,755 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 71 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:09:32,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 533 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 00:09:32,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-21 00:09:32,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 160. [2021-11-21 00:09:32,809 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 00:09:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-21 00:09:32,814 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-21 00:09:32,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:09:32,814 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-21 00:09:32,814 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 00:09:32,815 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-21 00:09:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 00:09:32,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:09:32,817 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 00:09:32,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:09:33,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 00:09:33,031 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 00:09:33,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:09:33,031 INFO L85 PathProgramCache]: Analyzing trace with hash 286543063, now seen corresponding path program 1 times [2021-11-21 00:09:33,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:09:33,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97953703] [2021-11-21 00:09:33,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:33,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:09:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:09:33,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:09:33,138 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:09:33,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97953703] [2021-11-21 00:09:33,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97953703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:09:33,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:09:33,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:09:33,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766844105] [2021-11-21 00:09:33,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:09:33,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:09:33,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:09:33,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:09:33,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:09:33,141 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 00:09:36,071 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:09:36,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:09:36,127 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-21 00:09:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:09:36,128 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 00:09:36,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:09:36,130 INFO L225 Difference]: With dead ends: 297 [2021-11-21 00:09:36,131 INFO L226 Difference]: Without dead ends: 204 [2021-11-21 00:09:36,132 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 00:09:36,133 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 51 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:09:36,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 520 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-21 00:09:36,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-21 00:09:36,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-21 00:09:36,150 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 00:09:36,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-21 00:09:36,153 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-21 00:09:36,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:09:36,153 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-21 00:09:36,154 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 00:09:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-21 00:09:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 00:09:36,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:09:36,155 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 00:09:36,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:09:36,156 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 00:09:36,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:09:36,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1273614148, now seen corresponding path program 1 times [2021-11-21 00:09:36,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:09:36,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143988726] [2021-11-21 00:09:36,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:36,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:09:36,179 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:09:36,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2088358922] [2021-11-21 00:09:36,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:36,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:09:36,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:09:36,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:09:36,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:09:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:09:36,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:09:36,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:09:36,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:09:36,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:09:36,533 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:09:36,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143988726] [2021-11-21 00:09:36,534 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:09:36,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088358922] [2021-11-21 00:09:36,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088358922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:09:36,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:09:36,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:09:36,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056460067] [2021-11-21 00:09:36,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:09:36,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:09:36,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:09:36,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:09:36,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:09:36,539 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 00:09:39,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:09:39,357 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-21 00:09:39,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:09:39,368 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 00:09:39,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:09:39,370 INFO L225 Difference]: With dead ends: 247 [2021-11-21 00:09:39,371 INFO L226 Difference]: Without dead ends: 246 [2021-11-21 00:09:39,371 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 00:09:39,372 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:09:39,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-21 00:09:39,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-21 00:09:39,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-21 00:09:39,397 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 00:09:39,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-21 00:09:39,400 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-21 00:09:39,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:09:39,401 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-21 00:09:39,401 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 00:09:39,401 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-21 00:09:39,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 00:09:39,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:09:39,403 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 00:09:39,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:09:39,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:09:39,619 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 00:09:39,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:09:39,619 INFO L85 PathProgramCache]: Analyzing trace with hash -827332882, now seen corresponding path program 1 times [2021-11-21 00:09:39,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:09:39,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200705009] [2021-11-21 00:09:39,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:39,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:09:39,639 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:09:39,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027647411] [2021-11-21 00:09:39,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:39,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:09:39,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:09:39,641 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:09:39,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:09:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:09:39,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:09:39,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:09:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:09:39,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:09:39,969 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:09:39,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200705009] [2021-11-21 00:09:39,970 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:09:39,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027647411] [2021-11-21 00:09:39,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027647411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:09:39,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:09:39,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:09:39,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587072680] [2021-11-21 00:09:39,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:09:39,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:09:39,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:09:39,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:09:39,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:09:39,973 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 00:09:40,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:09:40,495 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-21 00:09:40,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:09:40,501 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 00:09:40,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:09:40,504 INFO L225 Difference]: With dead ends: 213 [2021-11-21 00:09:40,504 INFO L226 Difference]: Without dead ends: 212 [2021-11-21 00:09:40,504 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 00:09:40,505 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:09:40,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 00:09:40,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-21 00:09:40,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-21 00:09:40,521 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 00:09:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-21 00:09:40,524 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-21 00:09:40,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:09:40,525 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-21 00:09:40,525 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 00:09:40,525 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-21 00:09:40,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 00:09:40,527 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:09:40,527 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 00:09:40,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:09:40,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:09:40,742 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 00:09:40,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:09:40,743 INFO L85 PathProgramCache]: Analyzing trace with hash -290716707, now seen corresponding path program 1 times [2021-11-21 00:09:40,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:09:40,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233715881] [2021-11-21 00:09:40,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:40,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:09:40,762 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:09:40,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [983686984] [2021-11-21 00:09:40,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:40,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:09:40,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:09:40,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:09:40,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:09:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:09:40,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:09:40,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:09:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:09:41,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:09:41,146 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:09:41,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233715881] [2021-11-21 00:09:41,147 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:09:41,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983686984] [2021-11-21 00:09:41,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983686984] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:09:41,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:09:41,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:09:41,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391707594] [2021-11-21 00:09:41,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:09:41,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:09:41,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:09:41,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:09:41,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:09:41,151 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 00:09:42,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:09:42,101 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-21 00:09:42,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:09:42,102 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 00:09:42,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:09:42,104 INFO L225 Difference]: With dead ends: 432 [2021-11-21 00:09:42,104 INFO L226 Difference]: Without dead ends: 247 [2021-11-21 00:09:42,105 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 00:09:42,106 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 0.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:09:42,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-21 00:09:42,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-21 00:09:42,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-21 00:09:42,131 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 00:09:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-21 00:09:42,134 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-21 00:09:42,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:09:42,135 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-21 00:09:42,135 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 00:09:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-21 00:09:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 00:09:42,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:09:42,140 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 00:09:42,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:09:42,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:09:42,366 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 00:09:42,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:09:42,367 INFO L85 PathProgramCache]: Analyzing trace with hash -970471061, now seen corresponding path program 1 times [2021-11-21 00:09:42,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:09:42,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887713750] [2021-11-21 00:09:42,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:42,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:09:42,391 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:09:42,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225368533] [2021-11-21 00:09:42,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:42,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:09:42,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:09:42,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:09:42,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 00:09:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:09:42,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:09:42,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:09:42,854 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 00:09:42,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:09:42,854 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:09:42,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887713750] [2021-11-21 00:09:42,855 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:09:42,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225368533] [2021-11-21 00:09:42,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225368533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:09:42,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:09:42,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:09:42,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844404574] [2021-11-21 00:09:42,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:09:42,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:09:42,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:09:42,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:09:42,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:09:42,857 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 00:09:44,712 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:09:44,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:09:44,793 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-21 00:09:44,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:09:44,799 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 00:09:44,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:09:44,802 INFO L225 Difference]: With dead ends: 471 [2021-11-21 00:09:44,802 INFO L226 Difference]: Without dead ends: 248 [2021-11-21 00:09:44,803 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 00:09:44,804 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:09:44,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 00:09:44,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-21 00:09:44,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-21 00:09:44,819 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 00:09:44,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-21 00:09:44,822 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-21 00:09:44,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:09:44,823 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-21 00:09:44,823 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 00:09:44,823 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-21 00:09:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 00:09:44,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:09:44,826 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 00:09:44,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 00:09:45,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-21 00:09:45,043 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 00:09:45,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:09:45,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1407185215, now seen corresponding path program 1 times [2021-11-21 00:09:45,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:09:45,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942811374] [2021-11-21 00:09:45,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:45,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:09:45,066 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:09:45,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1204259053] [2021-11-21 00:09:45,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:45,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:09:45,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:09:45,068 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:09:45,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51af6580-de83-47e3-9a6e-2eca96123e10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 00:09:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:09:45,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 00:09:45,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:09:45,910 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:09:45,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:09:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:09:46,156 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:09:46,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942811374] [2021-11-21 00:09:46,156 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:09:46,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204259053] [2021-11-21 00:09:46,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204259053] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:09:46,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [132806212] [2021-11-21 00:09:46,177 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-21 00:09:46,178 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:09:46,181 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:09:46,186 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:09:46,186 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:09:46,272 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 00:09:46,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,302 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:09:46,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-21 00:09:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 00:09:46,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,363 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:09:46,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:09:46,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:09:46,509 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 00:09:46,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,557 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 00:09:46,557 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 00:09:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,620 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:09:46,621 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 00:09:46,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,695 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:09:46,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:09:46,748 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 15 treesize of output 1 [2021-11-21 00:09:46,942 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 00:09:46,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:46,970 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 00:09:47,017 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 00:09:48,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:09:48,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,336 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 00:09:48,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,360 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 00:09:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:09:48,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:09:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:09:48,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,654 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 00:09:48,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:09:48,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:09:48,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,938 INFO L354 Elim1Store]: treesize reduction 202, result has 21.7 percent of original size [2021-11-21 00:09:48,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 00:09:48,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:48,999 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-21 00:09:48,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 00:09:49,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 00:09:49,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:09:49,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:09:49,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:09:49,788 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:09:49,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 00:09:49,821 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 00:09:49,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 00:09:49,849 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:09:49,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 00:09:49,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:09:49,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:09:49,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:09:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:49,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,004 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 00:09:50,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:09:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:09:50,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:09:50,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,477 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 00:09:50,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:50,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:09:56,011 WARN L227 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:09:56,012 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:09:56,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:09:56,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:05,839 WARN L227 SmtUtils]: Spent 9.75s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:10:05,840 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:10:05,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:10:17,376 WARN L227 SmtUtils]: Spent 11.38s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:10:17,377 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 00:10:17,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-21 00:10:17,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:17,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:17,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:19,531 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 00:10:19,532 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 25954 treesize of output 25985 [2021-11-21 00:10:19,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:19,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:20,334 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:10:20,335 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 25964 treesize of output 25978 [2021-11-21 00:10:22,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:22,432 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 00:10:22,432 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 50 treesize of output 32 [2021-11-21 00:10:22,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:10:23,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:23,528 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:10:23,528 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 51 treesize of output 61 [2021-11-21 00:10:24,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:10:24,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:10:24,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:10:24,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:24,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:24,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:24,293 INFO L244 Elim1Store]: Index analysis took 175 ms [2021-11-21 00:10:24,730 INFO L354 Elim1Store]: treesize reduction 16, result has 95.9 percent of original size [2021-11-21 00:10:24,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2065 treesize of output 2045 [2021-11-21 00:10:25,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:10:25,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:25,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:10:25,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:25,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:10:25,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:25,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:25,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:25,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:25,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:25,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:25,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:25,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:10:25,819 INFO L244 Elim1Store]: Index analysis took 138 ms [2021-11-21 00:10:25,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2142 treesize of output 1676 [2021-11-21 00:10:26,620 INFO L244 Elim1Store]: Index analysis took 371 ms [2021-11-21 00:10:26,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:28,698 INFO L354 Elim1Store]: treesize reduction 544, result has 70.5 percent of original size [2021-11-21 00:10:28,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2142 treesize of output 2974 [2021-11-21 00:10:32,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:32,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:10:32,801 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 34 treesize of output 18 [2021-11-21 00:10:33,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:33,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-21 00:10:33,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:33,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:34,252 INFO L354 Elim1Store]: treesize reduction 20, result has 62.3 percent of original size [2021-11-21 00:10:34,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 77 [2021-11-21 00:10:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:35,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:10:35,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:35,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:35,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2021-11-21 00:10:46,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:10:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver