./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/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_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/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_7a3ae50c-2528-422a-8526-30f2e67afee8/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 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 --- 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 08:17:46,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:17:46,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:17:46,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:17:46,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:17:46,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:17:46,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:17:46,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:17:46,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:17:46,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:17:46,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:17:46,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:17:46,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:17:46,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:17:46,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:17:46,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:17:46,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:17:46,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:17:46,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:17:46,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:17:46,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:17:46,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:17:46,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:17:46,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:17:46,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:17:46,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:17:46,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:17:46,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:17:46,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:17:46,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:17:46,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:17:46,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:17:46,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:17:46,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:17:46,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:17:46,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:17:46,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:17:46,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:17:46,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:17:46,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:17:46,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:17:46,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 08:17:46,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:17:46,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:17:46,985 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:17:46,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:17:46,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:17:46,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:17:46,991 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:17:46,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:17:46,991 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:17:46,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:17:46,992 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:17:46,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:17:46,992 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:17:46,992 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:17:46,992 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:17:46,993 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:17:46,993 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:17:46,993 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:17:46,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:17:46,994 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:17:46,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:17:46,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:17:46,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:17:46,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:17:46,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:17:46,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:17:46,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:17:46,995 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:17:46,995 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:17:46,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:17:46,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:17:46,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:17:46,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:17:46,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:17:46,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:17:46,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:17:46,996 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:17:46,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:17:46,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:17:46,997 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:17:46,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:17:46,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:17:46,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:17:46,997 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_7a3ae50c-2528-422a-8526-30f2e67afee8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 [2022-12-14 08:17:47,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:17:47,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:17:47,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:17:47,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:17:47,205 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:17:47,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2022-12-14 08:17:49,825 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:17:50,005 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:17:50,005 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2022-12-14 08:17:50,015 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/data/cd03da6fa/a5d0eeba07494bc898f0ff86fee075d3/FLAGfde4c7e79 [2022-12-14 08:17:50,027 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/data/cd03da6fa/a5d0eeba07494bc898f0ff86fee075d3 [2022-12-14 08:17:50,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:17:50,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:17:50,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:17:50,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:17:50,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:17:50,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723a278c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50, skipping insertion in model container [2022-12-14 08:17:50,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:17:50,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:17:50,380 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_7a3ae50c-2528-422a-8526-30f2e67afee8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[33021,33034] [2022-12-14 08:17:50,454 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 08:17:50,463 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_7a3ae50c-2528-422a-8526-30f2e67afee8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44124,44137] [2022-12-14 08:17:50,464 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_7a3ae50c-2528-422a-8526-30f2e67afee8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44245,44258] [2022-12-14 08:17:50,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:17:50,488 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:17:50,515 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_7a3ae50c-2528-422a-8526-30f2e67afee8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[33021,33034] [2022-12-14 08:17:50,555 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 08:17:50,562 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_7a3ae50c-2528-422a-8526-30f2e67afee8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44124,44137] [2022-12-14 08:17:50,562 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_7a3ae50c-2528-422a-8526-30f2e67afee8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44245,44258] [2022-12-14 08:17:50,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:17:50,608 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:17:50,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50 WrapperNode [2022-12-14 08:17:50,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:17:50,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:17:50,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:17:50,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:17:50,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,713 INFO L138 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1153 [2022-12-14 08:17:50,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:17:50,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:17:50,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:17:50,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:17:50,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,780 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:17:50,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:17:50,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:17:50,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:17:50,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (1/1) ... [2022-12-14 08:17:50,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:17:50,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:17:50,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:17:50,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:17:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:17:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:17:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 08:17:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 08:17:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:17:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:17:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:17:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:17:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 08:17:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:17:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:17:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:17:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:17:50,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:17:51,016 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:17:51,018 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:17:52,178 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:17:52,501 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:17:52,502 INFO L300 CfgBuilder]: Removed 72 assume(true) statements. [2022-12-14 08:17:52,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:17:52 BoogieIcfgContainer [2022-12-14 08:17:52,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:17:52,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:17:52,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:17:52,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:17:52,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:17:50" (1/3) ... [2022-12-14 08:17:52,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471df7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:17:52, skipping insertion in model container [2022-12-14 08:17:52,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:50" (2/3) ... [2022-12-14 08:17:52,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471df7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:17:52, skipping insertion in model container [2022-12-14 08:17:52,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:17:52" (3/3) ... [2022-12-14 08:17:52,511 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test7-2.i [2022-12-14 08:17:52,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:17:52,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 08:17:52,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:17:52,573 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;@c71bdf2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:17:52,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 08:17:52,578 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 08:17:52,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:17:52,583 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:17:52,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:17:52,584 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 08:17:52,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:17:52,588 INFO L85 PathProgramCache]: Analyzing trace with hash 28166472, now seen corresponding path program 1 times [2022-12-14 08:17:52,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:17:52,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557422208] [2022-12-14 08:17:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:17:52,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:17:52,682 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:17:52,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1233003272] [2022-12-14 08:17:52,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:17:52,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:17:52,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:17:52,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:17:52,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:17:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:17:52,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 08:17:52,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:17:52,901 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 08:17:52,910 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 08:17:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:17:52,952 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 08:17:52,964 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 08:17:52,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:17:52,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:17:52,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557422208] [2022-12-14 08:17:52,965 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:17:52,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233003272] [2022-12-14 08:17:52,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233003272] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:17:52,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:17:52,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:17:52,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125777606] [2022-12-14 08:17:52,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:17:52,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:17:52,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:17:53,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:17:53,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:17:53,003 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 08:17:54,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:17:54,512 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2022-12-14 08:17:54,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:17:54,517 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 08:17:54,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:17:54,522 INFO L225 Difference]: With dead ends: 316 [2022-12-14 08:17:54,523 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 08:17:54,525 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 08:17:54,527 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 08:17:54,527 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 08:17:54,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 08:17:54,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2022-12-14 08:17:54,555 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 08:17:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2022-12-14 08:17:54,557 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2022-12-14 08:17:54,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:17:54,557 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2022-12-14 08:17:54,558 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 08:17:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2022-12-14 08:17:54,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 08:17:54,559 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:17:54,559 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 08:17:54,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:17:54,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 08:17:54,761 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 08:17:54,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:17:54,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1476887490, now seen corresponding path program 1 times [2022-12-14 08:17:54,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:17:54,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891186115] [2022-12-14 08:17:54,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:17:54,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:17:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:17:55,074 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 08:17:55,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:17:55,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891186115] [2022-12-14 08:17:55,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891186115] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:17:55,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:17:55,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:17:55,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031394857] [2022-12-14 08:17:55,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:17:55,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:17:55,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:17:55,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:17:55,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:17:55,077 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 08:17:57,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 08:17:57,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:17:57,154 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2022-12-14 08:17:57,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:17:57,160 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 08:17:57,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:17:57,161 INFO L225 Difference]: With dead ends: 211 [2022-12-14 08:17:57,161 INFO L226 Difference]: Without dead ends: 159 [2022-12-14 08:17:57,161 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 08:17:57,162 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 08:17:57,162 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 08:17:57,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-14 08:17:57,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2022-12-14 08:17:57,168 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 08:17:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2022-12-14 08:17:57,168 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2022-12-14 08:17:57,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:17:57,169 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2022-12-14 08:17:57,169 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 08:17:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2022-12-14 08:17:57,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 08:17:57,169 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:17:57,169 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 08:17:57,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:17:57,170 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 08:17:57,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:17:57,170 INFO L85 PathProgramCache]: Analyzing trace with hash 421230472, now seen corresponding path program 1 times [2022-12-14 08:17:57,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:17:57,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919702458] [2022-12-14 08:17:57,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:17:57,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:17:57,248 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:17:57,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [991929788] [2022-12-14 08:17:57,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:17:57,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:17:57,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:17:57,250 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:17:57,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:17:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:17:57,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:17:57,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:17:57,801 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 08:17:57,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:17:57,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:17:57,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919702458] [2022-12-14 08:17:57,801 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:17:57,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991929788] [2022-12-14 08:17:57,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991929788] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:17:57,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:17:57,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:17:57,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181573578] [2022-12-14 08:17:57,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:17:57,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:17:57,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:17:57,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:17:57,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:17:57,803 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 08:17:58,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:17:58,405 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2022-12-14 08:17:58,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:17:58,408 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 08:17:58,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:17:58,409 INFO L225 Difference]: With dead ends: 277 [2022-12-14 08:17:58,409 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 08:17:58,409 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 08:17:58,410 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 08:17:58,410 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 08:17:58,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 08:17:58,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2022-12-14 08:17:58,417 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 08:17:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2022-12-14 08:17:58,417 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2022-12-14 08:17:58,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:17:58,418 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2022-12-14 08:17:58,418 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 08:17:58,418 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2022-12-14 08:17:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 08:17:58,418 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:17:58,418 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 08:17:58,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 08:17:58,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:17:58,620 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 08:17:58,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:17:58,622 INFO L85 PathProgramCache]: Analyzing trace with hash -722486566, now seen corresponding path program 1 times [2022-12-14 08:17:58,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:17:58,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430308479] [2022-12-14 08:17:58,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:17:58,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:17:58,694 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:17:58,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847305865] [2022-12-14 08:17:58,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:17:58,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:17:58,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:17:58,695 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:17:58,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:18:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:18:10,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 08:18:10,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:18:10,538 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 08:18:10,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:18:10,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:18:10,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430308479] [2022-12-14 08:18:10,538 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:18:10,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847305865] [2022-12-14 08:18:10,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847305865] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:18:10,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:18:10,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:18:10,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814002368] [2022-12-14 08:18:10,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:18:10,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:18:10,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:18:10,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:18:10,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:18:10,540 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 08:18:12,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:18:12,744 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2022-12-14 08:18:12,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:18:12,751 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 08:18:12,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:18:12,753 INFO L225 Difference]: With dead ends: 308 [2022-12-14 08:18:12,753 INFO L226 Difference]: Without dead ends: 164 [2022-12-14 08:18:12,753 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 08:18:12,754 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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 08:18:12,754 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 08:18:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-12-14 08:18:12,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-12-14 08:18:12,762 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 08:18:12,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2022-12-14 08:18:12,762 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2022-12-14 08:18:12,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:18:12,762 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2022-12-14 08:18:12,763 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 08:18:12,763 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2022-12-14 08:18:12,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 08:18:12,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:18:12,763 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 08:18:12,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 08:18:12,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-12-14 08:18:12,964 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 08:18:12,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:18:12,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1306539504, now seen corresponding path program 1 times [2022-12-14 08:18:12,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:18:12,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217577309] [2022-12-14 08:18:12,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:18:12,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:18:13,040 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:18:13,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1390820973] [2022-12-14 08:18:13,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:18:13,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:18:13,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:18:13,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:18:13,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ae50c-2528-422a-8526-30f2e67afee8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 08:18:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:18:37,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 08:18:37,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:18:37,421 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 08:18:37,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:18:37,498 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 08:18:37,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:18:37,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217577309] [2022-12-14 08:18:37,498 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:18:37,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390820973] [2022-12-14 08:18:37,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390820973] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:18:37,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1922340952] [2022-12-14 08:18:37,512 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-12-14 08:18:37,512 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:18:37,515 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:18:37,518 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:18:37,518 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:18:37,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,570 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 08:18:37,570 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 08:18:37,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,577 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 08:18:37,583 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 08:18:37,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,589 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 08:18:37,595 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 08:18:37,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,625 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:18:37,626 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 08:18:37,635 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 08:18:37,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,664 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:18:37,664 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 08:18:37,674 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 08:18:37,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,683 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 08:18:37,709 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 08:18:37,715 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 08:18:37,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:37,727 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 08:18:38,034 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 08:18:38,051 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 08:18:38,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,103 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 08:18:38,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,141 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 08:18:38,189 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 08:18:38,200 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 08:18:38,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,257 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 08:18:38,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,308 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 08:18:38,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,408 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 08:18:38,445 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 08:18:38,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,504 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 08:18:38,504 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 08:18:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,529 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 08:18:38,551 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 08:18:38,736 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 08:18:38,740 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 08:18:38,744 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 08:18:38,785 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:18:38,785 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 08:18:38,811 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 08:18:38,812 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 08:18:38,835 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:18:38,836 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 08:18:38,864 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 08:18:38,869 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 08:18:38,874 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 08:18:38,929 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 08:18:38,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:38,964 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 08:18:38,980 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 08:18:39,109 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 08:18:39,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:39,140 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 08:18:39,160 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 08:18:40,752 INFO L217 Elim1Store]: Index analysis took 1319 ms [2022-12-14 08:18:43,039 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-12-14 08:18:43,039 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 08:18:44,066 INFO L217 Elim1Store]: Index analysis took 906 ms [2022-12-14 08:18:46,528 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-12-14 08:18:46,529 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 08:18:54,452 WARN L233 SmtUtils]: Spent 7.89s 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 08:18:54,453 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 08:18:54,453 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 08:19:11,571 WARN L233 SmtUtils]: Spent 17.01s 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 08:19:11,571 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 08:19:11,572 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 08:19:12,205 INFO L217 Elim1Store]: Index analysis took 433 ms [2022-12-14 08:19:31,730 WARN L233 SmtUtils]: Spent 19.10s 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 08:19:31,730 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 08:19:31,731 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 08:19:32,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:19:32,744 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 08:19:32,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:32,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:19:32,856 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 08:20:26,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:26,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:26,539 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 08:20:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:27,020 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 08:20:31,254 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:20:31,271 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:20:31,285 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:20:31,301 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:21:23,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:21:23,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:21:23,815 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 08:21:24,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:21:24,305 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 08:21:32,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:21:32,763 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 08:21:32,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:21:32,811 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 08:21:32,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:21:32,869 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 08:21:32,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:21:32,937 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 08:21:50,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:21:50,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:21:50,587 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 08:21:50,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:21:50,640 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 08:21:50,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:21:50,714 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 08:21:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:21:56,643 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 08:23:16,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:23:16,746 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 08:24:18,635 WARN L233 SmtUtils]: Spent 6.97s 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 08:32:34,483 INFO L217 Elim1Store]: Index analysis took 234008 ms