./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS --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 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 --- 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-8393723 [2022-11-19 08:32:14,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:32:14,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:32:14,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:32:14,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:32:14,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:32:14,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:32:14,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:32:14,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:32:14,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:32:14,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:32:14,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:32:14,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:32:14,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:32:14,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:32:14,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:32:14,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:32:14,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:32:14,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:32:14,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:32:14,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:32:14,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:32:14,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:32:14,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:32:14,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:32:14,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:32:14,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:32:14,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:32:14,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:32:14,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:32:14,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:32:14,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:32:14,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:32:14,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:32:14,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:32:14,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:32:14,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:32:14,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:32:14,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:32:14,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:32:14,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:32:14,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:32:14,682 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:32:14,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:32:14,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:32:14,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:32:14,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:32:14,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:32:14,685 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:32:14,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:32:14,686 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:32:14,686 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:32:14,686 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:32:14,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:32:14,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:32:14,687 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:32:14,688 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:32:14,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:32:14,688 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:32:14,689 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:32:14,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:32:14,690 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:32:14,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:32:14,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:32:14,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:32:14,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:32:14,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:32:14,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:32:14,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:32:14,692 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:32:14,693 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:32:14,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:32:14,693 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:32:14,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:32:14,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:32:14,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:32:14,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:32:14,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:32:14,695 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:32:14,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:32:14,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:32:14,696 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:32:14,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:32:14,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:32:14,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:32:14,697 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_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 [2022-11-19 08:32:14,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:32:15,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:32:15,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:32:15,041 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:32:15,042 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:32:15,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2022-11-19 08:32:15,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/data/8ef4d7393/3559b0cf123047618e4edafd832bb146/FLAG0076b6ad2 [2022-11-19 08:32:15,894 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:32:15,894 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2022-11-19 08:32:15,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/data/8ef4d7393/3559b0cf123047618e4edafd832bb146/FLAG0076b6ad2 [2022-11-19 08:32:15,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/data/8ef4d7393/3559b0cf123047618e4edafd832bb146 [2022-11-19 08:32:15,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:32:15,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:32:15,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:32:15,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:32:15,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:32:15,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:32:15" (1/1) ... [2022-11-19 08:32:15,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e166def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:15, skipping insertion in model container [2022-11-19 08:32:15,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:32:15" (1/1) ... [2022-11-19 08:32:15,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:32:16,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:32:16,641 WARN L234 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_f4fa9501-082c-4fd7-8463-11c62fb46407/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2022-11-19 08:32:16,815 WARN L234 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_f4fa9501-082c-4fd7-8463-11c62fb46407/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2022-11-19 08:32:16,816 WARN L234 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_f4fa9501-082c-4fd7-8463-11c62fb46407/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2022-11-19 08:32:16,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:32:16,842 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:32:16,891 WARN L234 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_f4fa9501-082c-4fd7-8463-11c62fb46407/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2022-11-19 08:32:16,969 WARN L234 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_f4fa9501-082c-4fd7-8463-11c62fb46407/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2022-11-19 08:32:16,970 WARN L234 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_f4fa9501-082c-4fd7-8463-11c62fb46407/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2022-11-19 08:32:16,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:32:17,030 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:32:17,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17 WrapperNode [2022-11-19 08:32:17,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:32:17,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:32:17,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:32:17,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:32:17,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (1/1) ... [2022-11-19 08:32:17,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (1/1) ... [2022-11-19 08:32:17,201 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 998 [2022-11-19 08:32:17,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:32:17,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:32:17,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:32:17,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:32:17,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (1/1) ... [2022-11-19 08:32:17,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (1/1) ... [2022-11-19 08:32:17,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (1/1) ... [2022-11-19 08:32:17,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (1/1) ... [2022-11-19 08:32:17,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (1/1) ... [2022-11-19 08:32:17,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (1/1) ... [2022-11-19 08:32:17,288 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (1/1) ... [2022-11-19 08:32:17,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (1/1) ... [2022-11-19 08:32:17,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:32:17,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:32:17,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:32:17,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:32:17,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (1/1) ... [2022-11-19 08:32:17,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:32:17,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:32:17,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:32:17,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:32:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:32:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:32:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:32:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:32:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:32:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:32:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:32:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:32:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:32:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:32:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:32:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:32:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:32:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:32:17,655 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:32:17,657 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:32:19,594 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:32:19,991 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:32:19,991 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-19 08:32:20,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:32:20 BoogieIcfgContainer [2022-11-19 08:32:20,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:32:20,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:32:20,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:32:20,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:32:20,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:32:15" (1/3) ... [2022-11-19 08:32:20,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9e1a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:32:20, skipping insertion in model container [2022-11-19 08:32:20,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:17" (2/3) ... [2022-11-19 08:32:20,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9e1a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:32:20, skipping insertion in model container [2022-11-19 08:32:20,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:32:20" (3/3) ... [2022-11-19 08:32:20,045 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test7-1.i [2022-11-19 08:32:20,066 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:32:20,066 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-19 08:32:20,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:32:20,144 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;@45c90e88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:32:20,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-19 08:32:20,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 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) [2022-11-19 08:32:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 08:32:20,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:32:20,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 08:32:20,159 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)] === [2022-11-19 08:32:20,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:32:20,169 INFO L85 PathProgramCache]: Analyzing trace with hash 24408931, now seen corresponding path program 1 times [2022-11-19 08:32:20,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:32:20,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344699021] [2022-11-19 08:32:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:20,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:32:20,316 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:32:20,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1590707360] [2022-11-19 08:32:20,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:20,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:32:20,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:32:20,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:32:20,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:32:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:32:20,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-19 08:32:20,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:32:20,660 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 [2022-11-19 08:32:20,676 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 [2022-11-19 08:32:20,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:20,759 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 [2022-11-19 08:32:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:32:20,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:32:20,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:32:20,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344699021] [2022-11-19 08:32:20,776 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:32:20,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590707360] [2022-11-19 08:32:20,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590707360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:32:20,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:32:20,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:32:20,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618574497] [2022-11-19 08:32:20,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:32:20,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:32:20,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:32:20,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:32:20,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:32:20,834 INFO L87 Difference]: Start difference. First operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 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) [2022-11-19 08:32:22,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:32:22,077 INFO L93 Difference]: Finished difference Result 285 states and 496 transitions. [2022-11-19 08:32:22,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:32:22,084 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 [2022-11-19 08:32:22,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:32:22,094 INFO L225 Difference]: With dead ends: 285 [2022-11-19 08:32:22,094 INFO L226 Difference]: Without dead ends: 165 [2022-11-19 08:32:22,097 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 [2022-11-19 08:32:22,101 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 58 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:32:22,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 292 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 08:32:22,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-19 08:32:22,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2022-11-19 08:32:22,151 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) [2022-11-19 08:32:22,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2022-11-19 08:32:22,154 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2022-11-19 08:32:22,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:32:22,155 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2022-11-19 08:32:22,155 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) [2022-11-19 08:32:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2022-11-19 08:32:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-19 08:32:22,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:32:22,158 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] [2022-11-19 08:32:22,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:32:22,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 08:32:22,365 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)] === [2022-11-19 08:32:22,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:32:22,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2001327283, now seen corresponding path program 1 times [2022-11-19 08:32:22,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:32:22,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287111254] [2022-11-19 08:32:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:22,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:32:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:32:23,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:32:23,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:32:23,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287111254] [2022-11-19 08:32:23,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287111254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:32:23,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:32:23,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:32:23,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730616187] [2022-11-19 08:32:23,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:32:23,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:32:23,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:32:23,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:32:23,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:32:23,045 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) [2022-11-19 08:32:24,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:32:24,079 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2022-11-19 08:32:24,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:32:24,083 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 [2022-11-19 08:32:24,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:32:24,084 INFO L225 Difference]: With dead ends: 211 [2022-11-19 08:32:24,084 INFO L226 Difference]: Without dead ends: 159 [2022-11-19 08:32:24,085 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 [2022-11-19 08:32:24,086 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:32:24,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 296 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 08:32:24,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-19 08:32:24,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2022-11-19 08:32:24,098 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) [2022-11-19 08:32:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2022-11-19 08:32:24,100 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2022-11-19 08:32:24,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:32:24,100 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2022-11-19 08:32:24,101 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) [2022-11-19 08:32:24,101 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2022-11-19 08:32:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 08:32:24,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:32:24,102 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] [2022-11-19 08:32:24,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:32:24,103 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)] === [2022-11-19 08:32:24,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:32:24,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1034865974, now seen corresponding path program 1 times [2022-11-19 08:32:24,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:32:24,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100083181] [2022-11-19 08:32:24,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:24,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:32:24,272 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:32:24,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [777074506] [2022-11-19 08:32:24,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:24,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:32:24,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:32:24,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:32:24,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:32:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:32:25,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:32:25,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:32:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:32:25,214 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:32:25,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:32:25,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100083181] [2022-11-19 08:32:25,215 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:32:25,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777074506] [2022-11-19 08:32:25,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777074506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:32:25,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:32:25,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:32:25,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545510287] [2022-11-19 08:32:25,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:32:25,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:32:25,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:32:25,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:32:25,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:32:25,222 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) [2022-11-19 08:32:26,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:32:26,546 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2022-11-19 08:32:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:32:26,551 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 [2022-11-19 08:32:26,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:32:26,552 INFO L225 Difference]: With dead ends: 277 [2022-11-19 08:32:26,552 INFO L226 Difference]: Without dead ends: 165 [2022-11-19 08:32:26,553 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 [2022-11-19 08:32:26,555 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:32:26,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 216 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 08:32:26,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-19 08:32:26,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2022-11-19 08:32:26,569 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) [2022-11-19 08:32:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2022-11-19 08:32:26,571 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2022-11-19 08:32:26,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:32:26,572 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2022-11-19 08:32:26,572 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) [2022-11-19 08:32:26,573 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2022-11-19 08:32:26,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-19 08:32:26,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:32:26,574 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] [2022-11-19 08:32:26,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 08:32:26,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:32:26,785 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)] === [2022-11-19 08:32:26,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:32:26,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1866068418, now seen corresponding path program 1 times [2022-11-19 08:32:26,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:32:26,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716863976] [2022-11-19 08:32:26,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:26,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:32:26,850 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:32:26,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1585859440] [2022-11-19 08:32:26,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:26,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:32:26,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:32:26,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:32:26,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:32:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:32:51,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-19 08:32:51,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:32:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:32:51,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:32:51,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:32:51,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716863976] [2022-11-19 08:32:51,449 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:32:51,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585859440] [2022-11-19 08:32:51,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585859440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:32:51,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:32:51,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:32:51,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219688580] [2022-11-19 08:32:51,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:32:51,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:32:51,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:32:51,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:32:51,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:32:51,460 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2022-11-19 08:32:52,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:32:52,522 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2022-11-19 08:32:52,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:32:52,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 [2022-11-19 08:32:52,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:32:52,529 INFO L225 Difference]: With dead ends: 308 [2022-11-19 08:32:52,529 INFO L226 Difference]: Without dead ends: 164 [2022-11-19 08:32:52,530 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 [2022-11-19 08:32:52,531 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:32:52,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 338 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 08:32:52,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-19 08:32:52,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-11-19 08:32:52,547 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) [2022-11-19 08:32:52,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2022-11-19 08:32:52,549 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2022-11-19 08:32:52,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:32:52,549 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2022-11-19 08:32:52,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2022-11-19 08:32:52,550 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2022-11-19 08:32:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 08:32:52,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:32:52,551 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] [2022-11-19 08:32:52,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:32:52,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:32:52,775 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)] === [2022-11-19 08:32:52,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:32:52,776 INFO L85 PathProgramCache]: Analyzing trace with hash -826585736, now seen corresponding path program 1 times [2022-11-19 08:32:52,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:32:52,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731149586] [2022-11-19 08:32:52,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:52,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:32:52,842 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:32:52,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195251162] [2022-11-19 08:32:52,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:52,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:32:52,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:32:52,844 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:32:52,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fa9501-082c-4fd7-8463-11c62fb46407/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:32:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:32:59,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:32:59,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:32:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:32:59,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:32:59,375 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:32:59,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:32:59,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731149586] [2022-11-19 08:32:59,376 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:32:59,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195251162] [2022-11-19 08:32:59,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195251162] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:32:59,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [884151788] [2022-11-19 08:32:59,399 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-19 08:32:59,399 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:32:59,403 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:32:59,409 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:32:59,410 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:32:59,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:32:59,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,513 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:32:59,514 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 [2022-11-19 08:32:59,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,527 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 [2022-11-19 08:32:59,536 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 [2022-11-19 08:32:59,543 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 [2022-11-19 08:32:59,578 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 [2022-11-19 08:32:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,626 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:32:59,627 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 [2022-11-19 08:32:59,643 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 [2022-11-19 08:32:59,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 38 [2022-11-19 08:32:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,674 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 [2022-11-19 08:32:59,724 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 [2022-11-19 08:32:59,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:32:59,740 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 [2022-11-19 08:32:59,756 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 [2022-11-19 08:33:00,329 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 [2022-11-19 08:33:00,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,391 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 [2022-11-19 08:33:00,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,451 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 [2022-11-19 08:33:00,497 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 [2022-11-19 08:33:00,594 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 [2022-11-19 08:33:00,607 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 [2022-11-19 08:33:00,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,681 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 [2022-11-19 08:33:00,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,746 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 [2022-11-19 08:33:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,884 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 [2022-11-19 08:33:00,926 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 [2022-11-19 08:33:00,960 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 [2022-11-19 08:33:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:00,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,044 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 08:33:01,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 08:33:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,148 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:33:01,148 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 [2022-11-19 08:33:01,418 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 [2022-11-19 08:33:01,424 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 [2022-11-19 08:33:01,431 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 [2022-11-19 08:33:01,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 08:33:01,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:33:01,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:33:01,507 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 [2022-11-19 08:33:01,515 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 [2022-11-19 08:33:01,521 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 [2022-11-19 08:33:01,586 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 [2022-11-19 08:33:01,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,632 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 [2022-11-19 08:33:01,662 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 [2022-11-19 08:33:01,873 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 [2022-11-19 08:33:01,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:01,917 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 [2022-11-19 08:33:01,946 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 [2022-11-19 08:33:03,500 INFO L217 Elim1Store]: Index analysis took 1199 ms [2022-11-19 08:33:14,411 WARN L233 SmtUtils]: Spent 10.91s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:33:14,411 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 08:33:14,412 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 9519790 [2022-11-19 08:33:16,281 INFO L217 Elim1Store]: Index analysis took 1641 ms [2022-11-19 08:33:17,362 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 08:33:17,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519766 treesize of output 9519770 [2022-11-19 08:33:28,434 WARN L233 SmtUtils]: Spent 10.95s 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) [2022-11-19 08:33:28,434 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 08:33:28,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-19 08:33:28,979 INFO L217 Elim1Store]: Index analysis took 192 ms [2022-11-19 08:33:54,295 WARN L233 SmtUtils]: Spent 25.31s 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) [2022-11-19 08:33:54,296 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 08:33:54,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2453 treesize of output 2282 [2022-11-19 08:33:56,454 INFO L217 Elim1Store]: Index analysis took 1425 ms [2022-11-19 08:34:29,964 WARN L233 SmtUtils]: Spent 32.72s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:34:29,965 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-11-19 08:34:29,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-11-19 08:34:31,615 INFO L217 Elim1Store]: Index analysis took 154 ms [2022-11-19 08:34:32,306 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 08:34:32,306 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 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-19 08:34:32,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 3 [2022-11-19 08:34:32,881 INFO L217 Elim1Store]: Index analysis took 278 ms [2022-11-19 08:34:33,931 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:34:33,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-19 08:34:36,524 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:34:39,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:34:39,521 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 13 [2022-11-19 08:34:41,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:41,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:41,119 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 28 treesize of output 18 [2022-11-19 08:34:43,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:43,544 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 [2022-11-19 08:34:45,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:45,734 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 [2022-11-19 08:34:45,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:45,839 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 [2022-11-19 08:34:45,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:45,951 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 [2022-11-19 08:34:46,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:46,582 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