./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh --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 ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 11:55:05,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:55:05,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:55:06,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:55:06,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:55:06,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:55:06,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:55:06,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:55:06,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:55:06,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:55:06,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:55:06,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:55:06,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:55:06,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:55:06,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:55:06,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:55:06,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:55:06,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:55:06,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:55:06,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:55:06,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:55:06,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:55:06,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:55:06,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:55:06,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:55:06,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:55:06,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:55:06,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:55:06,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:55:06,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:55:06,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:55:06,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:55:06,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:55:06,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:55:06,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:55:06,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:55:06,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:55:06,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:55:06,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:55:06,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:55:06,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:55:06,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 11:55:06,058 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:55:06,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:55:06,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:55:06,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:55:06,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:55:06,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:55:06,060 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:55:06,060 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:55:06,060 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:55:06,060 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:55:06,061 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:55:06,061 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:55:06,061 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:55:06,061 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:55:06,061 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:55:06,061 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:55:06,062 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:55:06,062 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:55:06,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:55:06,062 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:55:06,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:55:06,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:55:06,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:55:06,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:55:06,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:55:06,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:55:06,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:55:06,064 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 11:55:06,064 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:55:06,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:55:06,064 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:55:06,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:55:06,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:55:06,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:55:06,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:55:06,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:55:06,065 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:55:06,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:55:06,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:55:06,066 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:55:06,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:55:06,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:55:06,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:55:06,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 [2022-12-14 11:55:06,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:55:06,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:55:06,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:55:06,267 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:55:06,267 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:55:06,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2022-12-14 11:55:08,853 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:55:09,088 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:55:09,089 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2022-12-14 11:55:09,102 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/data/b007b365c/aa64c019b1d440ed9f0beb4e36097ccf/FLAG1c9a288fc [2022-12-14 11:55:09,455 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/data/b007b365c/aa64c019b1d440ed9f0beb4e36097ccf [2022-12-14 11:55:09,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:55:09,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:55:09,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:55:09,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:55:09,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:55:09,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:09,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6302a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09, skipping insertion in model container [2022-12-14 11:55:09,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:09,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:55:09,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:55:09,783 WARN L237 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_db77565a-0286-481b-b2d9-acaf6a6612f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[33021,33034] [2022-12-14 11:55:09,836 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:55:09,843 WARN L237 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_db77565a-0286-481b-b2d9-acaf6a6612f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44124,44137] [2022-12-14 11:55:09,843 WARN L237 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_db77565a-0286-481b-b2d9-acaf6a6612f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44245,44258] [2022-12-14 11:55:09,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:55:09,861 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:55:09,882 WARN L237 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_db77565a-0286-481b-b2d9-acaf6a6612f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[33021,33034] [2022-12-14 11:55:09,910 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:55:09,914 WARN L237 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_db77565a-0286-481b-b2d9-acaf6a6612f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44124,44137] [2022-12-14 11:55:09,915 WARN L237 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_db77565a-0286-481b-b2d9-acaf6a6612f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44245,44258] [2022-12-14 11:55:09,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:55:09,940 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:55:09,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09 WrapperNode [2022-12-14 11:55:09,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:55:09,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:55:09,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:55:09,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:55:09,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:09,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:10,002 INFO L138 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1153 [2022-12-14 11:55:10,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:55:10,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:55:10,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:55:10,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:55:10,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:10,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:10,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:10,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:10,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:10,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:10,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:10,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:10,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:55:10,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:55:10,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:55:10,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:55:10,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (1/1) ... [2022-12-14 11:55:10,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:55:10,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:10,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:55:10,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:55:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:55:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:55:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 11:55:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 11:55:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:55:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:55:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:55:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:55:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 11:55:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:55:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:55:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:55:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:55:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:55:10,332 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:55:10,334 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:55:11,546 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:55:11,805 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:55:11,805 INFO L300 CfgBuilder]: Removed 72 assume(true) statements. [2022-12-14 11:55:11,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:55:11 BoogieIcfgContainer [2022-12-14 11:55:11,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:55:11,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:55:11,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:55:11,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:55:11,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:55:09" (1/3) ... [2022-12-14 11:55:11,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159d66d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:55:11, skipping insertion in model container [2022-12-14 11:55:11,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:55:09" (2/3) ... [2022-12-14 11:55:11,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159d66d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:55:11, skipping insertion in model container [2022-12-14 11:55:11,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:55:11" (3/3) ... [2022-12-14 11:55:11,812 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-2.i [2022-12-14 11:55:11,826 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:55:11,826 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 11:55:11,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:55:11,864 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33223914, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:55:11,864 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 11:55:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 11:55:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 11:55:11,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:11,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 11:55:11,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 11:55:11,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:11,876 INFO L85 PathProgramCache]: Analyzing trace with hash 28166472, now seen corresponding path program 1 times [2022-12-14 11:55:11,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:11,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290193820] [2022-12-14 11:55:11,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:11,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:11,962 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:55:11,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1014808020] [2022-12-14 11:55:11,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:11,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:11,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:55:11,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:55:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:12,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 11:55:12,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:55:12,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:55:12,187 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 11:55:12,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:12,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-12-14 11:55:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:12,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:55:12,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:12,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290193820] [2022-12-14 11:55:12,231 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:55:12,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014808020] [2022-12-14 11:55:12,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014808020] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:12,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:12,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:55:12,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471797056] [2022-12-14 11:55:12,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:12,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:55:12,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:12,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:55:12,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:55:12,260 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:13,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:13,759 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2022-12-14 11:55:13,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:55:13,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 11:55:13,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:13,770 INFO L225 Difference]: With dead ends: 316 [2022-12-14 11:55:13,770 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 11:55:13,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:55:13,775 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:13,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 319 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 11:55:13,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 11:55:13,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2022-12-14 11:55:13,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 11:55:13,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2022-12-14 11:55:13,805 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2022-12-14 11:55:13,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:13,805 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2022-12-14 11:55:13,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:13,806 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2022-12-14 11:55:13,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 11:55:13,807 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:13,807 INFO L195 NwaCegarLoop]: 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] [2022-12-14 11:55:13,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:55:14,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 11:55:14,010 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 11:55:14,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:14,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1476887490, now seen corresponding path program 1 times [2022-12-14 11:55:14,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:14,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336326608] [2022-12-14 11:55:14,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:14,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:14,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:14,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:14,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336326608] [2022-12-14 11:55:14,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336326608] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:14,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:14,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:55:14,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641383255] [2022-12-14 11:55:14,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:14,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:55:14,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:14,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:55:14,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:55:14,325 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-14 11:55:16,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 11:55:16,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:16,409 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2022-12-14 11:55:16,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:55:16,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2022-12-14 11:55:16,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:16,416 INFO L225 Difference]: With dead ends: 211 [2022-12-14 11:55:16,416 INFO L226 Difference]: Without dead ends: 159 [2022-12-14 11:55:16,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:55:16,417 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:16,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 296 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 11:55:16,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-14 11:55:16,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2022-12-14 11:55:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 11:55:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2022-12-14 11:55:16,425 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2022-12-14 11:55:16,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:16,425 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2022-12-14 11:55:16,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-14 11:55:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2022-12-14 11:55:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 11:55:16,426 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:16,426 INFO L195 NwaCegarLoop]: 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] [2022-12-14 11:55:16,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:55:16,427 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 11:55:16,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:16,427 INFO L85 PathProgramCache]: Analyzing trace with hash 421230472, now seen corresponding path program 1 times [2022-12-14 11:55:16,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:16,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769325081] [2022-12-14 11:55:16,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:16,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:16,531 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:55:16,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534235455] [2022-12-14 11:55:16,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:16,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:16,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:16,533 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:55:16,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:55:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:17,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 11:55:17,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:55:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:17,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:55:17,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:17,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769325081] [2022-12-14 11:55:17,078 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:55:17,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534235455] [2022-12-14 11:55:17,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534235455] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:17,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:17,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:55:17,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398937258] [2022-12-14 11:55:17,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:17,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:55:17,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:17,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:55:17,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:55:17,079 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:17,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:17,687 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2022-12-14 11:55:17,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:55:17,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-14 11:55:17,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:17,690 INFO L225 Difference]: With dead ends: 277 [2022-12-14 11:55:17,690 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 11:55:17,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:55:17,692 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:17,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 216 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 11:55:17,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 11:55:17,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2022-12-14 11:55:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 11:55:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2022-12-14 11:55:17,705 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2022-12-14 11:55:17,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:17,705 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2022-12-14 11:55:17,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:17,705 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2022-12-14 11:55:17,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 11:55:17,706 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:17,706 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:17,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 11:55:17,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:17,909 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 11:55:17,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:17,910 INFO L85 PathProgramCache]: Analyzing trace with hash -722486566, now seen corresponding path program 1 times [2022-12-14 11:55:17,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:17,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235230143] [2022-12-14 11:55:17,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:17,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:17,963 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:55:17,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [551602812] [2022-12-14 11:55:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:17,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:17,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:17,965 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:55:17,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 11:55:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:29,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 11:55:29,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:55:29,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 11:55:29,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:55:29,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:29,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235230143] [2022-12-14 11:55:29,563 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:55:29,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551602812] [2022-12-14 11:55:29,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551602812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:55:29,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:55:29,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:55:29,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132700760] [2022-12-14 11:55:29,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:55:29,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:55:29,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:29,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:55:29,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:55:29,565 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 11:55:31,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:31,755 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2022-12-14 11:55:31,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:55:31,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-12-14 11:55:31,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:31,763 INFO L225 Difference]: With dead ends: 308 [2022-12-14 11:55:31,763 INFO L226 Difference]: Without dead ends: 164 [2022-12-14 11:55:31,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:55:31,764 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:31,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 338 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 11:55:31,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-12-14 11:55:31,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-12-14 11:55:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 11:55:31,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2022-12-14 11:55:31,776 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2022-12-14 11:55:31,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:31,777 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2022-12-14 11:55:31,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 11:55:31,777 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2022-12-14 11:55:31,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 11:55:31,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:31,778 INFO L195 NwaCegarLoop]: 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] [2022-12-14 11:55:31,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 11:55:31,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:31,979 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 11:55:31,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:31,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1306539504, now seen corresponding path program 1 times [2022-12-14 11:55:31,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:31,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642030416] [2022-12-14 11:55:31,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:31,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:32,055 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:55:32,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [596012483] [2022-12-14 11:55:32,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:32,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:32,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:32,057 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:55:32,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db77565a-0286-481b-b2d9-acaf6a6612f7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 11:55:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:54,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 11:55:54,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:55:54,965 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 11:55:54,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:55:55,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 11:55:55,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:55,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642030416] [2022-12-14 11:55:55,061 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:55:55,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596012483] [2022-12-14 11:55:55,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596012483] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:55:55,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [815156200] [2022-12-14 11:55:55,080 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-12-14 11:55:55,080 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:55:55,083 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:55:55,086 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:55:55,087 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:55:55,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,145 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 11:55:55,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 11:55:55,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:55:55,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:55,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:55:55,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:55,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,203 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:55:55,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:55:55,214 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 11:55:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,241 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:55:55,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 11:55:55,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:55,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 11:55:55,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:55:55,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:55:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2022-12-14 11:55:55,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 11:55:55,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 11:55:55,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-12-14 11:55:55,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9896993 treesize of output 5376298 [2022-12-14 11:55:55,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 11:55:55,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 11:55:55,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 11:55:55,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 11:55:55,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 11:55:55,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2022-12-14 11:55:55,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,040 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 11:55:56,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 11:55:56,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-12-14 11:55:56,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 11:55:56,212 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 11:55:56,216 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 11:55:56,220 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 11:55:56,256 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:55:56,256 INFO L350 Elim1Store]: Elim1 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 51 treesize of output 54 [2022-12-14 11:55:56,281 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 11:55:56,281 INFO L350 Elim1Store]: Elim1 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 49 treesize of output 52 [2022-12-14 11:55:56,304 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 11:55:56,304 INFO L350 Elim1Store]: Elim1 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 43 treesize of output 46 [2022-12-14 11:55:56,331 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 11:55:56,335 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 11:55:56,340 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 11:55:56,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 11:55:56,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 11:55:56,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 11:55:56,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 11:55:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 11:55:56,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 11:55:58,269 INFO L217 Elim1Store]: Index analysis took 1317 ms [2022-12-14 11:56:00,555 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-12-14 11:56:00,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519766 treesize of output 9519770 [2022-12-14 11:56:01,582 INFO L217 Elim1Store]: Index analysis took 909 ms [2022-12-14 11:56:04,069 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-12-14 11:56:04,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519771 treesize of output 9519774 [2022-12-14 11:56:11,131 WARN L233 SmtUtils]: Spent 7.02s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:56:11,132 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 11:56:11,132 INFO L350 Elim1Store]: Elim1 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 1986 treesize of output 1476 [2022-12-14 11:56:27,859 WARN L233 SmtUtils]: Spent 16.61s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:56:27,859 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 11:56:27,860 INFO L350 Elim1Store]: Elim1 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 2005 treesize of output 1829 [2022-12-14 11:56:28,415 INFO L217 Elim1Store]: Index analysis took 418 ms [2022-12-14 11:56:47,028 WARN L233 SmtUtils]: Spent 18.24s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:56:47,029 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 11:56:47,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 11:56:48,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:48,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 11:56:48,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:48,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:48,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 11:57:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:38,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:38,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 11:57:39,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:57:39,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 11:57:43,330 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:57:43,352 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:57:43,374 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:57:43,396 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:58:32,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:32,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:32,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 11:58:33,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:33,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 11:58:41,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:41,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 11:58:41,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:58:41,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 11:58:41,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:58:41,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 11:58:41,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:41,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 11:58:59,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:59,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:58:59,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 11:58:59,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:59,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 11:58:59,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:58:59,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 11:59:05,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:59:05,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 12:00:24,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:24,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 12:01:25,993 WARN L233 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 16914 DAG size of output: 16911 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 12:09:26,215 INFO L217 Elim1Store]: Index analysis took 223602 ms