./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.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_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/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_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/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_29225ca0-e2f7-486c-b297-024c67d9d9e2/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 efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:05:39,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:05:39,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:05:39,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:05:39,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:05:39,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:05:39,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:05:39,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:05:39,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:05:39,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:05:39,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:05:39,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:05:39,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:05:39,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:05:39,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:05:39,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:05:39,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:05:39,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:05:39,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:05:39,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:05:39,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:05:39,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:05:39,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:05:39,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:05:39,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:05:39,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:05:39,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:05:39,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:05:39,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:05:39,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:05:39,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:05:39,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:05:39,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:05:39,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:05:39,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:05:39,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:05:39,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:05:39,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:05:39,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:05:39,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:05:39,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:05:39,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:05:40,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:05:40,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:05:40,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:05:40,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:05:40,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:05:40,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:05:40,023 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:05:40,023 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:05:40,023 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:05:40,024 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:05:40,025 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:05:40,025 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:05:40,026 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:05:40,026 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:05:40,026 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:05:40,027 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:05:40,027 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:05:40,027 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:05:40,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:05:40,029 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:05:40,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:05:40,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:05:40,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:05:40,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:05:40,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:05:40,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:05:40,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:05:40,033 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:05:40,034 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:05:40,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:05:40,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:05:40,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:05:40,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:05:40,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:05:40,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:05:40,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:05:40,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:05:40,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:05:40,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:05:40,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:05:40,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:05:40,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:05:40,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:05:40,039 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_29225ca0-e2f7-486c-b297-024c67d9d9e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 [2021-11-21 01:05:40,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:05:40,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:05:40,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:05:40,405 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:05:40,406 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:05:40,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2021-11-21 01:05:40,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/data/6a424e370/d1e6e94d81664c0095148bb9fa66f470/FLAG62b176ec4 [2021-11-21 01:05:41,283 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:05:41,284 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2021-11-21 01:05:41,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/data/6a424e370/d1e6e94d81664c0095148bb9fa66f470/FLAG62b176ec4 [2021-11-21 01:05:41,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/data/6a424e370/d1e6e94d81664c0095148bb9fa66f470 [2021-11-21 01:05:41,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:05:41,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:05:41,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:05:41,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:05:41,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:05:41,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:05:41" (1/1) ... [2021-11-21 01:05:41,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e61cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:41, skipping insertion in model container [2021-11-21 01:05:41,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:05:41" (1/1) ... [2021-11-21 01:05:41,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:05:41,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:05:42,085 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_29225ca0-e2f7-486c-b297-024c67d9d9e2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i[33021,33034] [2021-11-21 01:05:42,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:05:42,380 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:05:42,414 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_29225ca0-e2f7-486c-b297-024c67d9d9e2/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i[33021,33034] [2021-11-21 01:05:42,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:05:42,575 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:05:42,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42 WrapperNode [2021-11-21 01:05:42,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:05:42,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:05:42,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:05:42,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:05:42,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42" (1/1) ... [2021-11-21 01:05:42,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42" (1/1) ... [2021-11-21 01:05:42,818 INFO L137 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1451 [2021-11-21 01:05:42,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:05:42,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:05:42,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:05:42,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:05:42,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42" (1/1) ... [2021-11-21 01:05:42,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42" (1/1) ... [2021-11-21 01:05:42,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42" (1/1) ... [2021-11-21 01:05:42,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42" (1/1) ... [2021-11-21 01:05:42,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42" (1/1) ... [2021-11-21 01:05:42,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42" (1/1) ... [2021-11-21 01:05:42,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42" (1/1) ... [2021-11-21 01:05:42,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:05:42,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:05:42,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:05:42,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:05:42,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42" (1/1) ... [2021-11-21 01:05:42,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:05:43,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:43,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:05:43,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:05:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:05:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:05:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:05:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:05:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:05:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:05:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:05:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:05:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:05:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:05:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:05:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:05:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:05:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:05:43,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:05:43,455 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:05:43,457 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:05:45,259 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:05:45,966 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:05:45,966 INFO L301 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-21 01:05:45,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:05:45 BoogieIcfgContainer [2021-11-21 01:05:45,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:05:45,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:05:45,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:05:45,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:05:45,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:05:41" (1/3) ... [2021-11-21 01:05:45,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd9ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:05:45, skipping insertion in model container [2021-11-21 01:05:45,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:42" (2/3) ... [2021-11-21 01:05:45,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd9ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:05:45, skipping insertion in model container [2021-11-21 01:05:45,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:05:45" (3/3) ... [2021-11-21 01:05:45,994 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-3.i [2021-11-21 01:05:46,001 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:05:46,002 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 01:05:46,090 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:05:46,098 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 01:05:46,098 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 01:05:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 136 states have (on average 1.8088235294117647) internal successors, (246), 152 states have internal predecessors, (246), 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 01:05:46,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 01:05:46,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:46,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 01:05:46,136 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 01:05:46,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:46,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1114569, now seen corresponding path program 1 times [2021-11-21 01:05:46,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:46,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401323577] [2021-11-21 01:05:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:46,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:46,369 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:05:46,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1038295246] [2021-11-21 01:05:46,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:46,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:46,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:46,374 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:46,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:05:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:46,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:05:46,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:46,734 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 01:05:46,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:46,735 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:46,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401323577] [2021-11-21 01:05:46,735 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:05:46,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038295246] [2021-11-21 01:05:46,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038295246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:46,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:05:46,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 01:05:46,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739935428] [2021-11-21 01:05:46,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:46,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:05:46,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:46,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:05:46,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:05:46,801 INFO L87 Difference]: Start difference. First operand has 161 states, 136 states have (on average 1.8088235294117647) internal successors, (246), 152 states have internal predecessors, (246), 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) 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 01:05:49,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:05:52,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:05:52,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:52,195 INFO L93 Difference]: Finished difference Result 420 states and 734 transitions. [2021-11-21 01:05:52,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:52,203 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 01:05:52,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:52,217 INFO L225 Difference]: With dead ends: 420 [2021-11-21 01:05:52,217 INFO L226 Difference]: Without dead ends: 233 [2021-11-21 01:05:52,221 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 01:05:52,226 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 102 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:52,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 357 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2021-11-21 01:05:52,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-21 01:05:52,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 135. [2021-11-21 01:05:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 112 states have (on average 1.2410714285714286) internal successors, (139), 126 states have internal predecessors, (139), 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 01:05:52,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2021-11-21 01:05:52,299 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 3 [2021-11-21 01:05:52,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:52,300 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2021-11-21 01:05:52,301 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 01:05:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2021-11-21 01:05:52,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 01:05:52,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:52,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:52,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 01:05:52,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:05:52,526 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 01:05:52,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:52,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1598010711, now seen corresponding path program 1 times [2021-11-21 01:05:52,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:52,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101673449] [2021-11-21 01:05:52,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:52,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:52,584 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:05:52,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [254431811] [2021-11-21 01:05:52,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:52,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:52,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:52,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:52,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:05:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:52,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:05:52,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:53,263 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 01:05:53,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:53,264 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:53,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101673449] [2021-11-21 01:05:53,264 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:05:53,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254431811] [2021-11-21 01:05:53,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254431811] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:53,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:05:53,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:05:53,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569268177] [2021-11-21 01:05:53,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:53,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:05:53,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:53,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:05:53,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:05:53,269 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 01:05:57,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:57,266 INFO L93 Difference]: Finished difference Result 233 states and 285 transitions. [2021-11-21 01:05:57,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:05:57,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-21 01:05:57,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:57,280 INFO L225 Difference]: With dead ends: 233 [2021-11-21 01:05:57,280 INFO L226 Difference]: Without dead ends: 232 [2021-11-21 01:05:57,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 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 01:05:57,283 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 59 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:57,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 463 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-21 01:05:57,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-21 01:05:57,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2021-11-21 01:05:57,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 201 states have (on average 1.1840796019900497) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:05:57,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2021-11-21 01:05:57,317 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 48 [2021-11-21 01:05:57,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:57,318 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2021-11-21 01:05:57,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 01:05:57,319 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2021-11-21 01:05:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 01:05:57,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:57,322 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:57,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:05:57,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:57,542 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 01:05:57,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:57,543 INFO L85 PathProgramCache]: Analyzing trace with hash -2001274746, now seen corresponding path program 1 times [2021-11-21 01:05:57,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:57,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177889192] [2021-11-21 01:05:57,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:57,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:57,584 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:05:57,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478620660] [2021-11-21 01:05:57,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:57,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:57,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:57,587 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:57,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:05:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:57,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:05:57,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:58,120 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 01:05:58,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:58,121 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:58,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177889192] [2021-11-21 01:05:58,122 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:05:58,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478620660] [2021-11-21 01:05:58,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478620660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:58,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:05:58,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:05:58,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721365496] [2021-11-21 01:05:58,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:58,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:05:58,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:58,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:05:58,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:05:58,125 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 01:05:58,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:58,980 INFO L93 Difference]: Finished difference Result 230 states and 282 transitions. [2021-11-21 01:05:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:05:58,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-21 01:05:58,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:58,988 INFO L225 Difference]: With dead ends: 230 [2021-11-21 01:05:58,988 INFO L226 Difference]: Without dead ends: 229 [2021-11-21 01:05:58,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 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 01:05:58,991 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:58,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 304 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-21 01:05:58,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-11-21 01:05:59,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-11-21 01:05:59,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 201 states have (on average 1.1791044776119404) internal successors, (237), 214 states have internal predecessors, (237), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:05:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2021-11-21 01:05:59,027 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 49 [2021-11-21 01:05:59,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:59,028 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2021-11-21 01:05:59,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 01:05:59,029 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2021-11-21 01:05:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 01:05:59,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:59,032 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:59,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:05:59,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-21 01:05:59,258 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 01:05:59,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:59,259 INFO L85 PathProgramCache]: Analyzing trace with hash 920356912, now seen corresponding path program 1 times [2021-11-21 01:05:59,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:59,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870625150] [2021-11-21 01:05:59,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:59,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:59,302 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:05:59,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1972169776] [2021-11-21 01:05:59,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:59,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:59,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:59,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:59,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:05:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:59,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:05:59,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:06:00,077 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 01:06:00,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:06:00,078 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:06:00,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870625150] [2021-11-21 01:06:00,079 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:06:00,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972169776] [2021-11-21 01:06:00,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972169776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:06:00,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:06:00,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:06:00,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907425677] [2021-11-21 01:06:00,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:06:00,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:06:00,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:06:00,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:06:00,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:06:00,082 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 01:06:02,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:06:02,598 INFO L93 Difference]: Finished difference Result 384 states and 476 transitions. [2021-11-21 01:06:02,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:06:02,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2021-11-21 01:06:02,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:06:02,612 INFO L225 Difference]: With dead ends: 384 [2021-11-21 01:06:02,612 INFO L226 Difference]: Without dead ends: 227 [2021-11-21 01:06:02,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 01:06:02,616 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 38 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:06:02,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 289 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 01:06:02,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-21 01:06:02,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-21 01:06:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 199 states have (on average 1.1758793969849246) internal successors, (234), 212 states have internal predecessors, (234), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:06:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 278 transitions. [2021-11-21 01:06:02,644 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 278 transitions. Word has length 51 [2021-11-21 01:06:02,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:06:02,645 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 278 transitions. [2021-11-21 01:06:02,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 01:06:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 278 transitions. [2021-11-21 01:06:02,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 01:06:02,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:06:02,650 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:06:02,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:06:02,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:06:02,878 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 01:06:02,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:06:02,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1681483749, now seen corresponding path program 1 times [2021-11-21 01:06:02,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:06:02,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271610564] [2021-11-21 01:06:02,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:06:02,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:06:02,928 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:06:02,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1121282037] [2021-11-21 01:06:02,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:06:02,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:06:02,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:06:02,945 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:06:02,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:06:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:06:03,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:06:03,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:06:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:06:03,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:06:03,627 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:06:03,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271610564] [2021-11-21 01:06:03,627 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:06:03,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121282037] [2021-11-21 01:06:03,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121282037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:06:03,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:06:03,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:06:03,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564327576] [2021-11-21 01:06:03,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:06:03,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:06:03,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:06:03,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:06:03,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:06:03,633 INFO L87 Difference]: Start difference. First operand 227 states and 278 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:06:06,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:06:06,111 INFO L93 Difference]: Finished difference Result 426 states and 524 transitions. [2021-11-21 01:06:06,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:06:06,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-21 01:06:06,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:06:06,134 INFO L225 Difference]: With dead ends: 426 [2021-11-21 01:06:06,134 INFO L226 Difference]: Without dead ends: 225 [2021-11-21 01:06:06,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 01:06:06,137 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:06:06,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 286 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 01:06:06,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-11-21 01:06:06,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-11-21 01:06:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:06:06,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 275 transitions. [2021-11-21 01:06:06,165 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 275 transitions. Word has length 64 [2021-11-21 01:06:06,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:06:06,166 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 275 transitions. [2021-11-21 01:06:06,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:06:06,167 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 275 transitions. [2021-11-21 01:06:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 01:06:06,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:06:06,171 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:06:06,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:06:06,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:06:06,392 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 01:06:06,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:06:06,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1167209906, now seen corresponding path program 1 times [2021-11-21 01:06:06,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:06:06,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285264484] [2021-11-21 01:06:06,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:06:06,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:06:06,421 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:06:06,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072345742] [2021-11-21 01:06:06,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:06:06,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:06:06,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:06:06,425 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:06:06,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:06:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:06:07,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 01:06:07,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:06:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 01:06:07,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:06:07,621 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:06:07,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285264484] [2021-11-21 01:06:07,621 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:06:07,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072345742] [2021-11-21 01:06:07,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072345742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:06:07,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:06:07,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:06:07,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330480437] [2021-11-21 01:06:07,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:06:07,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:06:07,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:06:07,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:06:07,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:06:07,625 INFO L87 Difference]: Start difference. First operand 225 states and 275 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:06:09,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:06:11,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:06:11,244 INFO L93 Difference]: Finished difference Result 432 states and 542 transitions. [2021-11-21 01:06:11,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:06:11,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-21 01:06:11,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:06:11,256 INFO L225 Difference]: With dead ends: 432 [2021-11-21 01:06:11,256 INFO L226 Difference]: Without dead ends: 227 [2021-11-21 01:06:11,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 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 01:06:11,258 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:06:11,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 434 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-21 01:06:11,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-21 01:06:11,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-21 01:06:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 198 states have (on average 1.1767676767676767) internal successors, (233), 212 states have internal predecessors, (233), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-21 01:06:11,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 281 transitions. [2021-11-21 01:06:11,284 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 281 transitions. Word has length 77 [2021-11-21 01:06:11,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:06:11,285 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 281 transitions. [2021-11-21 01:06:11,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:06:11,285 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 281 transitions. [2021-11-21 01:06:11,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 01:06:11,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:06:11,290 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:06:11,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-21 01:06:11,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:06:11,510 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:06:11,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:06:11,511 INFO L85 PathProgramCache]: Analyzing trace with hash -872916030, now seen corresponding path program 1 times [2021-11-21 01:06:11,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:06:11,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074656614] [2021-11-21 01:06:11,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:06:11,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:06:11,534 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:06:11,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [319215573] [2021-11-21 01:06:11,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:06:11,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:06:11,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:06:11,537 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:06:11,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29225ca0-e2f7-486c-b297-024c67d9d9e2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:06:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:06:13,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 01:06:13,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:06:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 01:06:13,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:06:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:06:13,967 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:06:13,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074656614] [2021-11-21 01:06:13,968 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:06:13,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319215573] [2021-11-21 01:06:13,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319215573] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:06:13,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [343032786] [2021-11-21 01:06:14,009 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-21 01:06:14,010 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:06:14,018 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:06:14,025 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:06:14,026 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:06:14,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:06:14,638 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:06:14,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:06:14,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:06:14,735 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:06:14,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-21 01:06:14,815 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:06:14,815 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 01:06:15,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:15,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:15,017 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 01:06:15,098 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 01:06:15,120 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 01:06:16,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,671 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 01:06:16,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 01:06:16,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,834 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 01:06:16,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,862 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 01:06:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,977 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 01:06:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,010 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 01:06:17,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,074 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 01:06:17,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,268 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 01:06:17,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,375 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 01:06:17,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,428 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 01:06:17,539 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:06:17,540 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 117 treesize of output 150 [2021-11-21 01:06:17,600 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:06:17,601 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 135 treesize of output 143 [2021-11-21 01:06:17,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,771 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 01:06:18,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:06:18,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:06:18,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:06:18,506 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:06:18,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 01:06:18,548 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:06:18,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 01:06:18,590 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:06:18,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 01:06:18,762 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 01:06:18,779 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 01:06:18,795 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 01:06:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,944 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 01:06:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:18,990 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 01:06:19,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,084 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 01:06:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,448 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 01:06:19,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,539 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 01:06:19,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,615 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 01:06:28,746 WARN L227 SmtUtils]: Spent 9.00s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:06:28,747 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:06:28,747 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 01:06:28,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:42,348 WARN L227 SmtUtils]: Spent 13.56s 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 01:06:42,349 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:06:42,350 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 01:06:58,134 WARN L227 SmtUtils]: Spent 15.64s 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 01:06:58,136 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 01:06:58,137 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 01:06:59,525 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:06:59,526 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 25944 treesize of output 25955 [2021-11-21 01:07:00,900 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:07:00,901 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 25943 treesize of output 25955 [2021-11-21 01:07:03,399 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:07:03,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:07:04,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:07:04,500 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:07:04,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-21 01:07:05,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:07:05,424 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 01:07:05,425 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 50 treesize of output 46 [2021-11-21 01:07:11,825 INFO L354 Elim1Store]: treesize reduction 13562, result has 36.1 percent of original size [2021-11-21 01:07:11,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 28090 treesize of output 33366 [2021-11-21 01:07:11,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:07:16,974 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 163 DAG size of output: 109 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:07:16,975 INFO L354 Elim1Store]: treesize reduction 13426, result has 36.7 percent of original size [2021-11-21 01:07:16,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 34419 treesize of output 39803 [2021-11-21 01:07:17,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:07:19,887 INFO L354 Elim1Store]: treesize reduction 88, result has 95.2 percent of original size [2021-11-21 01:07:19,888 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 40856 treesize of output 41792 [2021-11-21 01:07:24,106 INFO L354 Elim1Store]: treesize reduction 96, result has 94.8 percent of original size [2021-11-21 01:07:24,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 41792 treesize of output 42748 [2021-11-21 01:07:59,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:07:59,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:07:59,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:07:59,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:07:59,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:07:59,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:07:59,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:07:59,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:07:59,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:07:59,492 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-11-21 01:07:59,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 6336 treesize of output 4484 [2021-11-21 01:08:10,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:10,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:10,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:10,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:10,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:10,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:10,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:10,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:10,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:10,973 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-11-21 01:08:10,975 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 2485 treesize of output 371 [2021-11-21 01:08:11,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:11,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:12,012 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:12,194 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:12,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:12,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:12,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:12,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:12,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:12,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:12,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:13,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:13,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:13,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:13,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:13,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:13,224 INFO L244 Elim1Store]: Index analysis took 352 ms [2021-11-21 01:08:13,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 2562 treesize of output 374 [2021-11-21 01:08:13,474 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:14,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:15,311 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:15,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:15,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:15,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:15,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:15,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:15,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4809 treesize of output 2621 [2021-11-21 01:08:16,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:16,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:16,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,007 INFO L244 Elim1Store]: Index analysis took 216 ms [2021-11-21 01:08:17,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,183 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:08:17,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 4817 treesize of output 2629 [2021-11-21 01:08:17,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:17,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:17,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:17,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:17,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4809 treesize of output 2621 [2021-11-21 01:08:18,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:18,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:18,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:18,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:18,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:18,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:18,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:18,353 INFO L244 Elim1Store]: Index analysis took 252 ms [2021-11-21 01:08:18,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:18,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:18,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:18,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:18,686 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:08:18,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 4809 treesize of output 2839 [2021-11-21 01:08:20,283 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:20,586 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:21,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:22,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:22,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:22,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:22,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:22,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:22,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:22,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:22,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:22,415 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-21 01:08:22,417 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 4800 treesize of output 2618 [2021-11-21 01:08:23,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:23,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:23,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:23,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:23,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:23,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:23,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:23,726 INFO L244 Elim1Store]: Index analysis took 218 ms [2021-11-21 01:08:24,288 INFO L354 Elim1Store]: treesize reduction 4748, result has 27.0 percent of original size [2021-11-21 01:08:24,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 4809 treesize of output 4376 [2021-11-21 01:08:25,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:26,168 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:26,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:26,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:26,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:26,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:27,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:27,027 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-11-21 01:08:27,029 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 4800 treesize of output 2618 [2021-11-21 01:08:27,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:28,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:28,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:28,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:28,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:28,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:29,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:29,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:29,348 INFO L244 Elim1Store]: Index analysis took 445 ms [2021-11-21 01:08:29,363 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-21 01:08:29,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 01:08:30,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:30,369 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:31,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:32,794 INFO L244 Elim1Store]: Index analysis took 783 ms [2021-11-21 01:08:33,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:36,868 INFO L354 Elim1Store]: treesize reduction 4859, result has 45.9 percent of original size [2021-11-21 01:08:36,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 4838 treesize of output 6757 [2021-11-21 01:08:39,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:39,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:39,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:39,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:39,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,628 INFO L244 Elim1Store]: Index analysis took 187 ms [2021-11-21 01:08:39,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4830 treesize of output 2624 [2021-11-21 01:08:42,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:42,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:42,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:42,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:42,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:43,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:43,122 INFO L244 Elim1Store]: Index analysis took 331 ms [2021-11-21 01:08:43,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 01:08:43,849 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:44,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:44,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:44,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:44,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:44,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:44,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:44,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:45,143 INFO L244 Elim1Store]: Index analysis took 323 ms [2021-11-21 01:08:45,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 01:08:45,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:46,208 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:47,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:47,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:47,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:08:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:47,799 INFO L244 Elim1Store]: Index analysis took 605 ms [2021-11-21 01:08:47,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 01:08:48,997 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:08:49,296 WARN L234 Elim1Store]: Array PQE input equivalent to false