./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V --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 b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:08:22,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:08:22,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:08:22,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:08:22,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:08:22,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:08:22,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:08:22,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:08:22,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:08:22,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:08:22,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:08:22,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:08:22,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:08:22,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:08:22,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:08:22,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:08:22,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:08:22,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:08:22,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:08:22,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:08:22,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:08:22,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:08:22,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:08:22,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:08:22,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:08:22,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:08:22,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:08:22,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:08:22,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:08:22,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:08:22,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:08:22,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:08:22,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:08:22,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:08:22,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:08:22,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:08:22,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:08:22,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:08:22,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:08:22,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:08:22,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:08:22,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 02:08:23,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:08:23,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:08:23,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:08:23,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:08:23,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:08:23,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:08:23,015 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:08:23,016 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:08:23,016 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:08:23,016 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:08:23,018 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:08:23,018 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:08:23,018 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:08:23,018 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:08:23,019 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:08:23,019 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:08:23,019 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:08:23,020 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:08:23,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:08:23,021 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:08:23,021 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:08:23,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:08:23,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:08:23,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:08:23,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:08:23,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:08:23,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:08:23,026 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:08:23,026 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:08:23,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:08:23,026 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:08:23,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:08:23,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:08:23,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:08:23,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:08:23,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:08:23,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:08:23,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:08:23,029 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:08:23,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:08:23,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:08:23,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:08:23,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:08:23,030 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_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 [2021-11-23 02:08:23,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:08:23,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:08:23,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:08:23,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:08:23,464 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:08:23,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2021-11-23 02:08:23,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/data/84d94a657/1081e58ab733429aa28fa1355dcb3fde/FLAG54f64981d [2021-11-23 02:08:24,289 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:08:24,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2021-11-23 02:08:24,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/data/84d94a657/1081e58ab733429aa28fa1355dcb3fde/FLAG54f64981d [2021-11-23 02:08:24,487 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/data/84d94a657/1081e58ab733429aa28fa1355dcb3fde [2021-11-23 02:08:24,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:08:24,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:08:24,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:08:24,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:08:24,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:08:24,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:08:24" (1/1) ... [2021-11-23 02:08:24,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334e96dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:24, skipping insertion in model container [2021-11-23 02:08:24,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:08:24" (1/1) ... [2021-11-23 02:08:24,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:08:24,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:08:25,233 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_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[33021,33034] [2021-11-23 02:08:25,376 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_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[45234,45247] [2021-11-23 02:08:25,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:08:25,398 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:08:25,451 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_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[33021,33034] [2021-11-23 02:08:25,535 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_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[45234,45247] [2021-11-23 02:08:25,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:08:25,609 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:08:25,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25 WrapperNode [2021-11-23 02:08:25,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:08:25,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:08:25,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:08:25,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:08:25,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25" (1/1) ... [2021-11-23 02:08:25,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25" (1/1) ... [2021-11-23 02:08:25,816 INFO L137 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-23 02:08:25,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:08:25,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:08:25,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:08:25,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:08:25,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25" (1/1) ... [2021-11-23 02:08:25,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25" (1/1) ... [2021-11-23 02:08:25,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25" (1/1) ... [2021-11-23 02:08:25,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25" (1/1) ... [2021-11-23 02:08:25,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25" (1/1) ... [2021-11-23 02:08:25,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25" (1/1) ... [2021-11-23 02:08:25,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25" (1/1) ... [2021-11-23 02:08:25,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:08:25,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:08:25,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:08:25,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:08:25,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25" (1/1) ... [2021-11-23 02:08:25,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:08:25,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:08:26,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:08:26,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:08:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:08:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:08:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:08:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:08:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:08:26,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:08:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-23 02:08:26,082 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-23 02:08:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:08:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:08:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:08:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:08:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:08:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:08:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:08:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:08:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:08:26,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:08:26,452 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:08:26,454 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:08:27,781 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:08:28,325 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:08:28,326 INFO L301 CfgBuilder]: Removed 62 assume(true) statements. [2021-11-23 02:08:28,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:08:28 BoogieIcfgContainer [2021-11-23 02:08:28,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:08:28,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:08:28,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:08:28,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:08:28,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:08:24" (1/3) ... [2021-11-23 02:08:28,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c3c86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:08:28, skipping insertion in model container [2021-11-23 02:08:28,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:25" (2/3) ... [2021-11-23 02:08:28,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c3c86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:08:28, skipping insertion in model container [2021-11-23 02:08:28,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:08:28" (3/3) ... [2021-11-23 02:08:28,346 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-1.i [2021-11-23 02:08:28,353 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:08:28,354 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-23 02:08:28,431 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:08:28,446 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 [2021-11-23 02:08:28,449 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 02:08:28,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 02:08:28,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 02:08:28,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:08:28,501 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 02:08:28,502 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)] === [2021-11-23 02:08:28,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:08:28,508 INFO L85 PathProgramCache]: Analyzing trace with hash 28647256, now seen corresponding path program 1 times [2021-11-23 02:08:28,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:08:28,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828130306] [2021-11-23 02:08:28,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:28,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:08:28,672 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:08:28,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [886039698] [2021-11-23 02:08:28,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:28,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:08:28,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:08:28,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:08:28,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:08:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:08:28,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 02:08:28,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:08:29,012 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 [2021-11-23 02:08:29,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 02:08:29,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-23 02:08:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:08:29,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:08:29,097 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:08:29,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828130306] [2021-11-23 02:08:29,098 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:08:29,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886039698] [2021-11-23 02:08:29,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886039698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:08:29,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:08:29,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:08:29,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665152638] [2021-11-23 02:08:29,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:08:29,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:08:29,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:08:29,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:08:29,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:08:29,145 INFO L87 Difference]: Start difference. First operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:08:30,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:08:30,950 INFO L93 Difference]: Finished difference Result 368 states and 636 transitions. [2021-11-23 02:08:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:08:30,955 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 [2021-11-23 02:08:30,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:08:30,979 INFO L225 Difference]: With dead ends: 368 [2021-11-23 02:08:30,979 INFO L226 Difference]: Without dead ends: 208 [2021-11-23 02:08:30,986 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 [2021-11-23 02:08:30,992 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 57 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:08:30,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 503 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:08:31,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-23 02:08:31,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2021-11-23 02:08:31,090 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) [2021-11-23 02:08:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-23 02:08:31,106 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-23 02:08:31,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:08:31,107 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-23 02:08:31,107 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) [2021-11-23 02:08:31,107 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-23 02:08:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 02:08:31,110 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:08:31,110 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] [2021-11-23 02:08:31,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:08:31,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 02:08:31,338 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)] === [2021-11-23 02:08:31,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:08:31,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1765360856, now seen corresponding path program 1 times [2021-11-23 02:08:31,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:08:31,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301479104] [2021-11-23 02:08:31,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:31,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:08:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:08:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:08:31,515 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:08:31,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301479104] [2021-11-23 02:08:31,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301479104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:08:31,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:08:31,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:08:31,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821815371] [2021-11-23 02:08:31,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:08:31,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:08:31,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:08:31,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:08:31,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:08:31,520 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) [2021-11-23 02:08:35,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:08:35,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:08:35,677 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-23 02:08:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:08:35,678 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 [2021-11-23 02:08:35,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:08:35,681 INFO L225 Difference]: With dead ends: 297 [2021-11-23 02:08:35,681 INFO L226 Difference]: Without dead ends: 204 [2021-11-23 02:08:35,683 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 [2021-11-23 02:08:35,684 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 51 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:08:35,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 508 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-23 02:08:35,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-23 02:08:35,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-23 02:08:35,703 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) [2021-11-23 02:08:35,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-23 02:08:35,706 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-23 02:08:35,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:08:35,706 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-23 02:08:35,707 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) [2021-11-23 02:08:35,707 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-23 02:08:35,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 02:08:35,708 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:08:35,709 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] [2021-11-23 02:08:35,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:08:35,709 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)] === [2021-11-23 02:08:35,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:08:35,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1462000852, now seen corresponding path program 1 times [2021-11-23 02:08:35,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:08:35,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900042339] [2021-11-23 02:08:35,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:35,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:08:35,732 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:08:35,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111412946] [2021-11-23 02:08:35,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:35,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:08:35,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:08:35,739 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:08:35,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:08:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:08:35,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:08:35,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:08:36,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:08:36,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:08:36,131 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:08:36,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900042339] [2021-11-23 02:08:36,132 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:08:36,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111412946] [2021-11-23 02:08:36,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111412946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:08:36,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:08:36,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:08:36,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503306684] [2021-11-23 02:08:36,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:08:36,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:08:36,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:08:36,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:08:36,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:08:36,136 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) [2021-11-23 02:08:38,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:08:38,405 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-23 02:08:38,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:08:38,414 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 [2021-11-23 02:08:38,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:08:38,417 INFO L225 Difference]: With dead ends: 247 [2021-11-23 02:08:38,417 INFO L226 Difference]: Without dead ends: 246 [2021-11-23 02:08:38,417 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 [2021-11-23 02:08:38,419 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:08:38,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 02:08:38,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-23 02:08:38,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-23 02:08:38,453 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) [2021-11-23 02:08:38,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-23 02:08:38,457 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-23 02:08:38,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:08:38,457 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-23 02:08:38,458 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) [2021-11-23 02:08:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-23 02:08:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 02:08:38,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:08:38,460 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] [2021-11-23 02:08:38,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:08:38,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-23 02:08:38,678 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)] === [2021-11-23 02:08:38,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:08:38,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1922613802, now seen corresponding path program 1 times [2021-11-23 02:08:38,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:08:38,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591730833] [2021-11-23 02:08:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:38,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:08:38,698 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:08:38,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1424871095] [2021-11-23 02:08:38,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:38,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:08:38,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:08:38,701 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:08:38,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:08:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:08:38,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:08:38,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:08:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:08:39,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:08:39,008 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:08:39,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591730833] [2021-11-23 02:08:39,009 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:08:39,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424871095] [2021-11-23 02:08:39,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424871095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:08:39,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:08:39,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:08:39,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102371166] [2021-11-23 02:08:39,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:08:39,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:08:39,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:08:39,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:08:39,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:08:39,012 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) [2021-11-23 02:08:40,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:08:40,381 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-23 02:08:40,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:08:40,397 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 [2021-11-23 02:08:40,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:08:40,406 INFO L225 Difference]: With dead ends: 213 [2021-11-23 02:08:40,406 INFO L226 Difference]: Without dead ends: 212 [2021-11-23 02:08:40,406 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 [2021-11-23 02:08:40,408 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:08:40,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 02:08:40,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-23 02:08:40,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-23 02:08:40,469 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) [2021-11-23 02:08:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-23 02:08:40,472 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-23 02:08:40,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:08:40,473 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-23 02:08:40,473 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) [2021-11-23 02:08:40,474 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-23 02:08:40,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 02:08:40,476 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:08:40,476 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] [2021-11-23 02:08:40,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:08:40,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:08:40,698 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)] === [2021-11-23 02:08:40,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:08:40,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1907968587, now seen corresponding path program 1 times [2021-11-23 02:08:40,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:08:40,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298388313] [2021-11-23 02:08:40,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:40,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:08:40,724 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:08:40,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458199476] [2021-11-23 02:08:40,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:40,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:08:40,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:08:40,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:08:40,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:08:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:08:40,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:08:40,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:08:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:08:41,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:08:41,163 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:08:41,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298388313] [2021-11-23 02:08:41,164 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:08:41,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458199476] [2021-11-23 02:08:41,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458199476] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:08:41,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:08:41,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:08:41,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955087895] [2021-11-23 02:08:41,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:08:41,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:08:41,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:08:41,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:08:41,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:08:41,168 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) [2021-11-23 02:08:42,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:08:42,400 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-23 02:08:42,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:08:42,401 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 [2021-11-23 02:08:42,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:08:42,403 INFO L225 Difference]: With dead ends: 432 [2021-11-23 02:08:42,404 INFO L226 Difference]: Without dead ends: 247 [2021-11-23 02:08:42,406 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 [2021-11-23 02:08:42,408 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:08:42,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 02:08:42,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-23 02:08:42,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-23 02:08:42,432 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) [2021-11-23 02:08:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-23 02:08:42,439 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-23 02:08:42,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:08:42,445 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-23 02:08:42,446 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) [2021-11-23 02:08:42,446 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-23 02:08:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 02:08:42,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:08:42,449 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] [2021-11-23 02:08:42,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:08:42,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:08:42,652 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)] === [2021-11-23 02:08:42,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:08:42,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1515966491, now seen corresponding path program 1 times [2021-11-23 02:08:42,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:08:42,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042097028] [2021-11-23 02:08:42,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:42,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:08:42,693 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:08:42,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869031525] [2021-11-23 02:08:42,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:42,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:08:42,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:08:42,710 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:08:42,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 02:08:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:08:43,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:08:43,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:08:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:08:43,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:08:43,606 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:08:43,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042097028] [2021-11-23 02:08:43,607 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:08:43,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869031525] [2021-11-23 02:08:43,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869031525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:08:43,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:08:43,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:08:43,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184889363] [2021-11-23 02:08:43,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:08:43,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:08:43,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:08:43,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:08:43,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:08:43,610 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) [2021-11-23 02:08:45,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:08:45,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:08:45,437 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-23 02:08:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:08:45,445 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 [2021-11-23 02:08:45,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:08:45,448 INFO L225 Difference]: With dead ends: 471 [2021-11-23 02:08:45,448 INFO L226 Difference]: Without dead ends: 248 [2021-11-23 02:08:45,452 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 [2021-11-23 02:08:45,453 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:08:45,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 02:08:45,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-23 02:08:45,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-23 02:08:45,476 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) [2021-11-23 02:08:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-23 02:08:45,480 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-23 02:08:45,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:08:45,480 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-23 02:08:45,481 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) [2021-11-23 02:08:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-23 02:08:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 02:08:45,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:08:45,484 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] [2021-11-23 02:08:45,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 02:08:45,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-23 02:08:45,702 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)] === [2021-11-23 02:08:45,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:08:45,703 INFO L85 PathProgramCache]: Analyzing trace with hash -581800247, now seen corresponding path program 1 times [2021-11-23 02:08:45,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:08:45,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833850804] [2021-11-23 02:08:45,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:45,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:08:45,721 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:08:45,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2095490744] [2021-11-23 02:08:45,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:45,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:08:45,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:08:45,738 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:08:45,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17364c9-67c2-4e45-bdf3-ab36f0369c1d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 02:08:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:08:46,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:08:46,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:08:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:08:46,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:08:47,034 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:08:47,034 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:08:47,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833850804] [2021-11-23 02:08:47,035 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:08:47,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095490744] [2021-11-23 02:08:47,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095490744] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:08:47,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1951267801] [2021-11-23 02:08:47,063 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-23 02:08:47,064 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:08:47,070 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:08:47,076 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:08:47,077 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:08:47,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,194 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:08:47,195 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 [2021-11-23 02:08:47,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:08:47,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 02:08:47,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:08:47,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 02:08:47,288 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 [2021-11-23 02:08:47,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,333 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:08:47,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-23 02:08:47,350 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 [2021-11-23 02:08:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,385 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:08:47,386 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 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-23 02:08:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,450 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:08:47,451 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 [2021-11-23 02:08:47,519 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 19 treesize of output 1 [2021-11-23 02:08:47,529 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 19 treesize of output 1 [2021-11-23 02:08:47,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:47,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-23 02:08:48,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-23 02:08:48,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-23 02:08:48,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 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 [2021-11-23 02:08:48,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-23 02:08:48,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 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 [2021-11-23 02:08:48,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-23 02:08:48,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-23 02:08:48,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 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 [2021-11-23 02:08:48,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2021-11-23 02:08:48,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,512 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 02:08:48,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 127 treesize of output 138 [2021-11-23 02:08:48,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,609 INFO L354 Elim1Store]: treesize reduction 200, result has 11.5 percent of original size [2021-11-23 02:08:48,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 case distinctions, treesize of input 126 treesize of output 132 [2021-11-23 02:08:48,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:48,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2021-11-23 02:08:48,786 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 [2021-11-23 02:08:48,791 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 [2021-11-23 02:08:48,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:08:48,855 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:08:48,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-23 02:08:48,894 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:08:48,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-23 02:08:48,926 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:08:48,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-23 02:08:48,975 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 [2021-11-23 02:08:48,983 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 [2021-11-23 02:08:48,990 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 [2021-11-23 02:08:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:08:49,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 56 treesize of output 22 [2021-11-23 02:08:49,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 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 [2021-11-23 02:08:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 56 treesize of output 22 [2021-11-23 02:08:49,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:08:49,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:08:49,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 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 [2021-11-23 02:08:56,342 WARN L227 SmtUtils]: Spent 6.93s 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) [2021-11-23 02:08:56,344 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:08:56,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2851 treesize of output 2328 [2021-11-23 02:08:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:08,711 WARN L227 SmtUtils]: Spent 12.30s 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) [2021-11-23 02:09:08,711 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:09:08,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2952 treesize of output 2670 [2021-11-23 02:09:20,428 WARN L227 SmtUtils]: Spent 11.60s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:09:20,430 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 02:09:20,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2856 treesize of output 2686 [2021-11-23 02:09:21,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:21,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:22,815 INFO L354 Elim1Store]: treesize reduction 156, result has 23.2 percent of original size [2021-11-23 02:09:22,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25954 treesize of output 25985 [2021-11-23 02:09:23,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:23,837 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 02:09:23,838 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 9 case distinctions, treesize of input 25964 treesize of output 25978 [2021-11-23 02:09:24,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:24,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:24,788 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 02:09:24,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-23 02:09:24,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:25,208 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:09:25,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-23 02:09:25,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:25,496 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 02:09:25,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 30 [2021-11-23 02:09:25,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:25,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-11-23 02:09:25,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:25,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-23 02:09:25,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:26,148 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:09:26,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-23 02:09:26,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:26,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:26,333 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-23 02:09:26,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-23 02:09:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:26,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-23 02:09:26,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:26,794 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:27,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:09:27,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:27,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:09:27,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:27,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:27,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3171 treesize of output 2795 [2021-11-23 02:09:27,970 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:28,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:28,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:28,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:09:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:28,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:28,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3071 treesize of output 2701 [2021-11-23 02:09:28,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:09:28,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:28,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:09:28,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:28,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:28,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:28,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:28,668 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-11-23 02:09:28,686 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 02:09:28,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3192 treesize of output 2798 [2021-11-23 02:09:28,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:28,869 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:29,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:29,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:29,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:09:29,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:29,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:29,086 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 02:09:29,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3092 treesize of output 2704 [2021-11-23 02:09:29,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:09:29,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:29,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:29,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:29,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3171 treesize of output 2795 [2021-11-23 02:09:29,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:29,571 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:29,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:29,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:29,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:29,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3071 treesize of output 2701 [2021-11-23 02:09:30,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:30,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:09:30,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:30,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:30,499 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-11-23 02:09:30,513 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 02:09:30,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3148 treesize of output 2704 [2021-11-23 02:09:30,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:30,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:09:30,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:30,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:09:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:30,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:30,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:30,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:30,835 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-23 02:09:30,848 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 02:09:30,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3248 treesize of output 2798 [2021-11-23 02:09:30,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:31,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:31,366 INFO L244 Elim1Store]: Index analysis took 168 ms [2021-11-23 02:09:33,169 INFO L354 Elim1Store]: treesize reduction 819, result has 55.5 percent of original size [2021-11-23 02:09:33,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3169 treesize of output 3728 [2021-11-23 02:09:33,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:33,779 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-11-23 02:09:35,830 INFO L354 Elim1Store]: treesize reduction 843, result has 55.0 percent of original size [2021-11-23 02:09:35,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3269 treesize of output 3830 [2021-11-23 02:09:37,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:37,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:39,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:40,337 INFO L354 Elim1Store]: treesize reduction 430, result has 63.0 percent of original size [2021-11-23 02:09:40,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3148 treesize of output 3434 [2021-11-23 02:09:40,500 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:40,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:09:40,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:40,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:40,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:40,673 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-23 02:09:41,303 INFO L354 Elim1Store]: treesize reduction 430, result has 63.2 percent of original size [2021-11-23 02:09:41,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3248 treesize of output 3534 [2021-11-23 02:09:41,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:09:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:44,189 INFO L244 Elim1Store]: Index analysis took 180 ms [2021-11-23 02:09:44,521 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-23 02:09:44,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-23 02:09:46,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:46,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:46,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:46,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:09:46,478 INFO L244 Elim1Store]: Index analysis took 320 ms [2021-11-23 02:09:52,586 WARN L227 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 152 DAG size of output: 126 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:09:52,586 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-23 02:09:52,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 80792 treesize of output 81462 [2021-11-23 02:17:51,259 WARN L227 SmtUtils]: Spent 7.69s on a formula simplification. DAG size of input: 2817 DAG size of output: 2817 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)