./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:23:08,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:23:08,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:23:08,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:23:08,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:23:08,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:23:08,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:23:08,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:23:08,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:23:08,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:23:08,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:23:08,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:23:08,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:23:08,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:23:08,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:23:08,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:23:08,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:23:08,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:23:08,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:23:08,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:23:08,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:23:08,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:23:08,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:23:08,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:23:08,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:23:08,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:23:08,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:23:08,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:23:08,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:23:08,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:23:08,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:23:08,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:23:08,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:23:08,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:23:08,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:23:08,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:23:08,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:23:08,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:23:08,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:23:08,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:23:08,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:23:08,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:23:08,934 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:23:08,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:23:08,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:23:08,935 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:23:08,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:23:08,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:23:08,936 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:23:08,936 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:23:08,936 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:23:08,937 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:23:08,937 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:23:08,937 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:23:08,937 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:23:08,938 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:23:08,938 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:23:08,938 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:23:08,938 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:23:08,939 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:23:08,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:23:08,940 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:23:08,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:23:08,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:23:08,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:23:08,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:23:08,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:23:08,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:23:08,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:23:08,941 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:23:08,942 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:23:08,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:23:08,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:23:08,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:23:08,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:23:08,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:23:08,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:23:08,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:23:08,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:23:08,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:23:08,944 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:23:08,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:23:08,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:23:08,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:23:08,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:23:08,945 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_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 [2021-11-21 01:23:09,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:23:09,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:23:09,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:23:09,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:23:09,259 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:23:09,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2021-11-21 01:23:09,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/data/0bd073aad/b9fdf76c855a480d87d795946d096618/FLAG8af3d5344 [2021-11-21 01:23:09,941 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:23:09,941 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2021-11-21 01:23:09,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/data/0bd073aad/b9fdf76c855a480d87d795946d096618/FLAG8af3d5344 [2021-11-21 01:23:10,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/data/0bd073aad/b9fdf76c855a480d87d795946d096618 [2021-11-21 01:23:10,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:23:10,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:23:10,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:23:10,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:23:10,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:23:10,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:23:10" (1/1) ... [2021-11-21 01:23:10,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e773f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:10, skipping insertion in model container [2021-11-21 01:23:10,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:23:10" (1/1) ... [2021-11-21 01:23:10,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:23:10,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:23:10,739 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_b618eed9-d15c-45cd-8eb9-18ba4187c43d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2021-11-21 01:23:10,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:23:10,893 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:23:10,940 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_b618eed9-d15c-45cd-8eb9-18ba4187c43d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2021-11-21 01:23:11,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:23:11,043 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:23:11,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11 WrapperNode [2021-11-21 01:23:11,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:23:11,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:23:11,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:23:11,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:23:11,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11" (1/1) ... [2021-11-21 01:23:11,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11" (1/1) ... [2021-11-21 01:23:11,152 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 782 [2021-11-21 01:23:11,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:23:11,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:23:11,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:23:11,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:23:11,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11" (1/1) ... [2021-11-21 01:23:11,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11" (1/1) ... [2021-11-21 01:23:11,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11" (1/1) ... [2021-11-21 01:23:11,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11" (1/1) ... [2021-11-21 01:23:11,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11" (1/1) ... [2021-11-21 01:23:11,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11" (1/1) ... [2021-11-21 01:23:11,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11" (1/1) ... [2021-11-21 01:23:11,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:23:11,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:23:11,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:23:11,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:23:11,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11" (1/1) ... [2021-11-21 01:23:11,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:23:11,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:23:11,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:23:11,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:23:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:23:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:23:11,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:23:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:23:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:23:11,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:23:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:23:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:23:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:23:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:23:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:23:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:23:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:23:11,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:23:11,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:23:11,655 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:23:11,662 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:23:12,390 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:23:12,728 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:23:12,729 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-21 01:23:12,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:23:12 BoogieIcfgContainer [2021-11-21 01:23:12,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:23:12,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:23:12,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:23:12,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:23:12,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:23:10" (1/3) ... [2021-11-21 01:23:12,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5bd947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:23:12, skipping insertion in model container [2021-11-21 01:23:12,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:23:11" (2/3) ... [2021-11-21 01:23:12,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5bd947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:23:12, skipping insertion in model container [2021-11-21 01:23:12,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:23:12" (3/3) ... [2021-11-21 01:23:12,748 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test1-2.i [2021-11-21 01:23:12,755 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:23:12,756 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 01:23:12,820 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:23:12,834 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:23:12,835 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 01:23:12,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 97 states have internal predecessors, (146), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:23:12,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 01:23:12,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:23:12,860 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 01:23:12,861 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:23:12,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:23:12,867 INFO L85 PathProgramCache]: Analyzing trace with hash 663178, now seen corresponding path program 1 times [2021-11-21 01:23:12,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:23:12,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651727761] [2021-11-21 01:23:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:12,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:23:12,993 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:23:12,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795473882] [2021-11-21 01:23:12,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:12,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:12,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:23:13,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:23:13,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:23:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:23:13,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:23:13,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:23:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:23:13,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:23:13,251 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:23:13,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651727761] [2021-11-21 01:23:13,252 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:23:13,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795473882] [2021-11-21 01:23:13,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795473882] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:23:13,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:23:13,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 01:23:13,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865334531] [2021-11-21 01:23:13,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:23:13,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:23:13,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:23:13,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:23:13,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:23:13,314 INFO L87 Difference]: Start difference. First operand has 103 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 97 states have internal predecessors, (146), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:23:14,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:23:14,336 INFO L93 Difference]: Finished difference Result 258 states and 438 transitions. [2021-11-21 01:23:14,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:23:14,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-21 01:23:14,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:23:14,353 INFO L225 Difference]: With dead ends: 258 [2021-11-21 01:23:14,353 INFO L226 Difference]: Without dead ends: 141 [2021-11-21 01:23:14,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:23:14,360 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 54 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:23:14,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 231 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 01:23:14,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-21 01:23:14,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2021-11-21 01:23:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.318840579710145) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:23:14,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2021-11-21 01:23:14,414 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2021-11-21 01:23:14,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:23:14,415 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2021-11-21 01:23:14,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:23:14,415 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-21 01:23:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 01:23:14,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:23:14,417 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] [2021-11-21 01:23:14,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:23:14,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:14,631 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:23:14,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:23:14,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1363999608, now seen corresponding path program 1 times [2021-11-21 01:23:14,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:23:14,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898322774] [2021-11-21 01:23:14,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:14,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:23:14,652 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:23:14,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528034612] [2021-11-21 01:23:14,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:14,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:14,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:23:14,653 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:23:14,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:23:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:23:14,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:23:14,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:23:14,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:23:14,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:23:14,994 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:23:14,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898322774] [2021-11-21 01:23:14,994 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:23:14,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528034612] [2021-11-21 01:23:14,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528034612] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:23:14,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:23:14,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:23:14,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368697794] [2021-11-21 01:23:14,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:23:14,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:23:14,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:23:14,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:23:14,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:23:14,999 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:23:17,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:23:17,099 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2021-11-21 01:23:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:23:17,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2021-11-21 01:23:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:23:17,106 INFO L225 Difference]: With dead ends: 141 [2021-11-21 01:23:17,106 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:23:17,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:23:17,108 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:23:17,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:23:17,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:23:17,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-11-21 01:23:17,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 129 states have internal predecessors, (142), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:23:17,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2021-11-21 01:23:17,127 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2021-11-21 01:23:17,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:23:17,127 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2021-11-21 01:23:17,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:23:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-21 01:23:17,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:23:17,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:23:17,129 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:23:17,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:23:17,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-21 01:23:17,345 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:23:17,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:23:17,346 INFO L85 PathProgramCache]: Analyzing trace with hash 665685527, now seen corresponding path program 1 times [2021-11-21 01:23:17,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:23:17,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648538171] [2021-11-21 01:23:17,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:17,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:23:17,361 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:23:17,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1136695172] [2021-11-21 01:23:17,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:17,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:17,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:23:17,377 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:23:17,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:23:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:23:17,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:23:17,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:23:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:23:17,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:23:17,654 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:23:17,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648538171] [2021-11-21 01:23:17,655 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:23:17,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136695172] [2021-11-21 01:23:17,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136695172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:23:17,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:23:17,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:23:17,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465289151] [2021-11-21 01:23:17,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:23:17,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:23:17,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:23:17,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:23:17,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:23:17,658 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:23:18,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:23:18,671 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2021-11-21 01:23:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:23:18,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-21 01:23:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:23:18,687 INFO L225 Difference]: With dead ends: 138 [2021-11-21 01:23:18,687 INFO L226 Difference]: Without dead ends: 137 [2021-11-21 01:23:18,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:23:18,690 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:23:18,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 01:23:18,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-21 01:23:18,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-21 01:23:18,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:23:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:23:18,724 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2021-11-21 01:23:18,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:23:18,725 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:23:18,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:23:18,725 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:23:18,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 01:23:18,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:23:18,727 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 01:23:18,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:23:18,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:18,933 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:23:18,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:23:18,934 INFO L85 PathProgramCache]: Analyzing trace with hash -226314427, now seen corresponding path program 1 times [2021-11-21 01:23:18,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:23:18,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468910851] [2021-11-21 01:23:18,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:18,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:23:18,954 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:23:18,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068162566] [2021-11-21 01:23:18,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:18,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:18,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:23:18,956 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:23:18,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:23:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:23:19,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:23:19,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:23:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:23:19,304 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:23:19,304 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:23:19,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468910851] [2021-11-21 01:23:19,305 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:23:19,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068162566] [2021-11-21 01:23:19,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068162566] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:23:19,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:23:19,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:23:19,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576954842] [2021-11-21 01:23:19,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:23:19,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:23:19,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:23:19,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:23:19,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:23:19,313 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:23:20,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:23:20,703 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2021-11-21 01:23:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:23:20,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2021-11-21 01:23:20,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:23:20,718 INFO L225 Difference]: With dead ends: 246 [2021-11-21 01:23:20,718 INFO L226 Difference]: Without dead ends: 135 [2021-11-21 01:23:20,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:23:20,720 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:23:20,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 01:23:20,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-21 01:23:20,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-21 01:23:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 126 states have internal predecessors, (138), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:23:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-21 01:23:20,740 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2021-11-21 01:23:20,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:23:20,740 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-21 01:23:20,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:23:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-21 01:23:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 01:23:20,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:23:20,742 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:23:20,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:23:20,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:20,957 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:23:20,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:23:20,958 INFO L85 PathProgramCache]: Analyzing trace with hash -2000698168, now seen corresponding path program 1 times [2021-11-21 01:23:20,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:23:20,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635847213] [2021-11-21 01:23:20,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:20,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:23:20,975 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:23:20,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1442038343] [2021-11-21 01:23:20,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:20,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:20,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:23:20,978 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:23:21,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:23:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:23:21,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:23:21,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:23:21,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:23:21,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:23:21,358 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:23:21,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635847213] [2021-11-21 01:23:21,359 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:23:21,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442038343] [2021-11-21 01:23:21,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442038343] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:23:21,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:23:21,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:23:21,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571479520] [2021-11-21 01:23:21,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:23:21,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:23:21,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:23:21,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:23:21,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:23:21,362 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:23:22,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:23:22,542 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2021-11-21 01:23:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:23:22,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2021-11-21 01:23:22,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:23:22,548 INFO L225 Difference]: With dead ends: 252 [2021-11-21 01:23:22,548 INFO L226 Difference]: Without dead ends: 137 [2021-11-21 01:23:22,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:23:22,550 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:23:22,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 01:23:22,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-21 01:23:22,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-21 01:23:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 128 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-21 01:23:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2021-11-21 01:23:22,569 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2021-11-21 01:23:22,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:23:22,570 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2021-11-21 01:23:22,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:23:22,570 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-21 01:23:22,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 01:23:22,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:23:22,572 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:23:22,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:23:22,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:22,785 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:23:22,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:23:22,786 INFO L85 PathProgramCache]: Analyzing trace with hash 56861400, now seen corresponding path program 1 times [2021-11-21 01:23:22,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:23:22,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574865355] [2021-11-21 01:23:22,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:22,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:23:22,803 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:23:22,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991270864] [2021-11-21 01:23:22,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:22,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:22,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:23:22,805 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:23:22,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b618eed9-d15c-45cd-8eb9-18ba4187c43d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:23:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:23:23,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:23:23,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:23:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:23:23,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:23:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:23:23,480 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:23:23,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574865355] [2021-11-21 01:23:23,480 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:23:23,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991270864] [2021-11-21 01:23:23,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991270864] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:23:23,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1638178918] [2021-11-21 01:23:23,499 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 01:23:23,499 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:23:23,504 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:23:23,509 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:23:23,509 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:23:23,691 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:23:23,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:23:23,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:23:23,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:23:23,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:23:23,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 01:23:23,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:23:23,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:23,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:23,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:23:23,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:23:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:23:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:23:25,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:23:25,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:23:25,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:23:25,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:23:25,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:23:25,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:23:25,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:23:25,503 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:23:25,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 117 treesize of output 125 [2021-11-21 01:23:25,570 INFO L354 Elim1Store]: treesize reduction 184, result has 10.2 percent of original size [2021-11-21 01:23:25,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 116 treesize of output 119 [2021-11-21 01:23:25,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:23:25,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:25,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:23:26,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:23:26,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:23:26,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:23:26,286 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:23:26,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 01:23:26,309 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:23:26,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 01:23:26,331 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:23:26,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 01:23:26,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:23:26,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:23:26,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:23:26,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:23:26,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:23:26,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:23:26,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:23:26,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:23:26,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:26,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:23:33,541 WARN L227 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:23:33,542 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:23:33,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 01:23:33,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:43,656 WARN L227 SmtUtils]: Spent 10.07s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:23:43,656 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:23:43,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 01:23:54,500 WARN L227 SmtUtils]: Spent 10.67s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:23:54,502 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 01:23:54,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2906 treesize of output 2676 [2021-11-21 01:23:56,200 INFO L354 Elim1Store]: treesize reduction 150, result has 21.9 percent of original size [2021-11-21 01:23:56,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25944 treesize of output 25972 [2021-11-21 01:23:56,902 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:23:56,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25954 treesize of output 25965 [2021-11-21 01:23:59,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:23:59,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:59,746 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:23:59,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-21 01:24:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:00,252 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 01:24:00,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-21 01:24:00,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:00,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:01,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:01,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:01,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:01,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1188 treesize of output 824 [2021-11-21 01:24:01,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:01,733 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:01,862 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:02,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:02,379 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:02,538 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:02,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:02,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:02,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:02,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:02,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:02,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:02,972 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 0 case distinctions, treesize of input 1209 treesize of output 827 [2021-11-21 01:24:03,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:03,628 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:03,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:04,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:04,147 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:04,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:04,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:04,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:04,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:04,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:04,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:04,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:04,890 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-11-21 01:24:05,035 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-21 01:24:05,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1271 treesize of output 867 [2021-11-21 01:24:05,656 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:06,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:06,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:06,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:06,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:06,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:06,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:06,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:06,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:06,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:06,344 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-11-21 01:24:06,346 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 0 case distinctions, treesize of input 1271 treesize of output 821 [2021-11-21 01:24:06,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:07,274 INFO L244 Elim1Store]: Index analysis took 216 ms [2021-11-21 01:24:08,986 INFO L354 Elim1Store]: treesize reduction 917, result has 50.8 percent of original size [2021-11-21 01:24:08,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1286 treesize of output 1777 [2021-11-21 01:24:12,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:12,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:12,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:12,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:12,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:12,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:12,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:12,131 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-21 01:24:12,133 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 0 case distinctions, treesize of input 1271 treesize of output 821 [2021-11-21 01:24:12,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:13,999 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:14,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:14,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:14,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:14,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:14,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:14,561 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-11-21 01:24:14,562 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 0 case distinctions, treesize of input 1265 treesize of output 827 [2021-11-21 01:24:14,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:15,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:15,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:15,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:16,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:16,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:16,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:16,539 INFO L354 Elim1Store]: treesize reduction 793, result has 31.3 percent of original size [2021-11-21 01:24:16,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1265 treesize of output 1189 [2021-11-21 01:24:17,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:17,300 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:17,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:24:19,920 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 01:24:19,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1573 treesize of output 1581 [2021-11-21 01:24:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:20,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:20,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:20,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-21 01:24:21,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:21,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:21,901 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:24:21,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 73 [2021-11-21 01:24:22,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:22,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:22,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-21 01:24:27,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:27,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:27,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:27,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:27,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:24:27,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:27,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:27,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:27,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:27,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:24:27,190 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-21 01:24:27,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 4858 treesize of output 3290 [2021-11-21 01:24:31,238 INFO L190 IndexEqualityManager]: detected not equals via solver