./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/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_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 --- 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 06:44:30,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:44:30,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:44:30,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:44:30,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:44:30,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:44:30,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:44:30,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:44:30,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:44:30,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:44:30,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:44:30,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:44:30,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:44:30,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:44:30,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:44:30,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:44:30,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:44:30,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:44:30,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:44:30,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:44:30,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:44:30,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:44:30,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:44:30,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:44:30,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:44:30,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:44:30,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:44:30,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:44:30,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:44:30,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:44:30,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:44:30,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:44:30,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:44:30,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:44:30,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:44:30,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:44:30,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:44:30,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:44:30,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:44:30,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:44:30,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:44:30,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:44:30,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:44:30,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:44:30,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:44:30,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:44:30,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:44:30,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:44:30,595 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:44:30,595 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:44:30,596 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:44:30,596 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:44:30,596 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:44:30,596 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:44:30,596 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:44:30,597 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:44:30,597 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:44:30,597 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:44:30,597 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:44:30,597 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:44:30,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:44:30,598 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:44:30,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:44:30,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:44:30,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:44:30,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:44:30,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:44:30,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:44:30,600 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:44:30,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:44:30,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:44:30,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:44:30,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:44:30,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:44:30,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:44:30,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:44:30,602 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:44:30,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:44:30,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:44:30,602 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:44:30,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:44:30,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:44:30,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:44:30,603 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_6bed6896-86f3-4851-b81e-309cfc7fa393/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 [2022-11-19 06:44:30,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:44:30,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:44:30,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:44:30,882 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:44:30,886 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:44:30,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2022-11-19 06:44:30,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/data/70c145280/abbfdc98ec7a44d3868df2c22224c8eb/FLAG184fcb057 [2022-11-19 06:44:31,567 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:44:31,567 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2022-11-19 06:44:31,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/data/70c145280/abbfdc98ec7a44d3868df2c22224c8eb/FLAG184fcb057 [2022-11-19 06:44:31,797 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/data/70c145280/abbfdc98ec7a44d3868df2c22224c8eb [2022-11-19 06:44:31,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:44:31,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:44:31,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:44:31,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:44:31,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:44:31,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:44:31" (1/1) ... [2022-11-19 06:44:31,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473a335d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:31, skipping insertion in model container [2022-11-19 06:44:31,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:44:31" (1/1) ... [2022-11-19 06:44:31,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:44:31,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:44:32,324 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_6bed6896-86f3-4851-b81e-309cfc7fa393/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2022-11-19 06:44:32,477 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_6bed6896-86f3-4851-b81e-309cfc7fa393/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2022-11-19 06:44:32,482 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_6bed6896-86f3-4851-b81e-309cfc7fa393/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2022-11-19 06:44:32,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:44:32,510 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:44:32,546 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_6bed6896-86f3-4851-b81e-309cfc7fa393/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2022-11-19 06:44:32,625 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_6bed6896-86f3-4851-b81e-309cfc7fa393/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2022-11-19 06:44:32,625 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_6bed6896-86f3-4851-b81e-309cfc7fa393/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2022-11-19 06:44:32,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:44:32,660 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:44:32,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32 WrapperNode [2022-11-19 06:44:32,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:44:32,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:44:32,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:44:32,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:44:32,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (1/1) ... [2022-11-19 06:44:32,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (1/1) ... [2022-11-19 06:44:32,759 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 992 [2022-11-19 06:44:32,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:44:32,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:44:32,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:44:32,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:44:32,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (1/1) ... [2022-11-19 06:44:32,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (1/1) ... [2022-11-19 06:44:32,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (1/1) ... [2022-11-19 06:44:32,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (1/1) ... [2022-11-19 06:44:32,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (1/1) ... [2022-11-19 06:44:32,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (1/1) ... [2022-11-19 06:44:32,889 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (1/1) ... [2022-11-19 06:44:32,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (1/1) ... [2022-11-19 06:44:32,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:44:32,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:44:32,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:44:32,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:44:32,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (1/1) ... [2022-11-19 06:44:32,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:44:32,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:44:32,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:44:32,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:44:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:44:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:44:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:44:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:44:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:44:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:44:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:44:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:44:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 06:44:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:44:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:44:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:44:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:44:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:44:33,287 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:44:33,295 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:44:34,843 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:44:35,329 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:44:35,329 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-19 06:44:35,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:44:35 BoogieIcfgContainer [2022-11-19 06:44:35,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:44:35,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:44:35,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:44:35,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:44:35,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:44:31" (1/3) ... [2022-11-19 06:44:35,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8cf6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:44:35, skipping insertion in model container [2022-11-19 06:44:35,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:32" (2/3) ... [2022-11-19 06:44:35,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8cf6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:44:35, skipping insertion in model container [2022-11-19 06:44:35,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:44:35" (3/3) ... [2022-11-19 06:44:35,351 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-1.i [2022-11-19 06:44:35,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:44:35,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 06:44:35,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:44:35,461 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;@16d1aaa5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:44:35,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 06:44:35,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 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 06:44:35,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 06:44:35,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:35,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:35,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:44:35,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:35,483 INFO L85 PathProgramCache]: Analyzing trace with hash -218436337, now seen corresponding path program 1 times [2022-11-19 06:44:35,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:35,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441946867] [2022-11-19 06:44:35,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:35,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:35,698 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 06:44:35,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:35,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441946867] [2022-11-19 06:44:35,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441946867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:35,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:35,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:44:35,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702628159] [2022-11-19 06:44:35,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:35,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:44:35,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:35,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:44:35,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:44:35,747 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 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 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 06:44:36,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:36,282 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2022-11-19 06:44:36,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:44:36,288 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-11-19 06:44:36,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:36,295 INFO L225 Difference]: With dead ends: 215 [2022-11-19 06:44:36,295 INFO L226 Difference]: Without dead ends: 107 [2022-11-19 06:44:36,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:44:36,301 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:36,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:44:36,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-19 06:44:36,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-19 06:44:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 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 06:44:36,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2022-11-19 06:44:36,346 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2022-11-19 06:44:36,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:36,346 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2022-11-19 06:44:36,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 06:44:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2022-11-19 06:44:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 06:44:36,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:36,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:36,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:44:36,348 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:44:36,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:36,349 INFO L85 PathProgramCache]: Analyzing trace with hash -408896126, now seen corresponding path program 1 times [2022-11-19 06:44:36,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:36,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510468291] [2022-11-19 06:44:36,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:36,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:36,538 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 06:44:36,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:36,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510468291] [2022-11-19 06:44:36,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510468291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:36,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:36,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:44:36,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27864299] [2022-11-19 06:44:36,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:36,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:44:36,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:36,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:44:36,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:44:36,542 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 06:44:38,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:44:39,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:39,342 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2022-11-19 06:44:39,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:44:39,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-11-19 06:44:39,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:39,350 INFO L225 Difference]: With dead ends: 219 [2022-11-19 06:44:39,350 INFO L226 Difference]: Without dead ends: 165 [2022-11-19 06:44:39,351 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 06:44:39,352 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:39,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 281 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-19 06:44:39,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-19 06:44:39,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2022-11-19 06:44:39,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 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 06:44:39,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2022-11-19 06:44:39,370 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2022-11-19 06:44:39,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:39,370 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2022-11-19 06:44:39,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 06:44:39,371 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2022-11-19 06:44:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 06:44:39,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:39,372 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:39,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:44:39,373 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:44:39,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:39,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1957629248, now seen corresponding path program 1 times [2022-11-19 06:44:39,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:39,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981985012] [2022-11-19 06:44:39,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:39,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:39,579 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:44:39,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1014790024] [2022-11-19 06:44:39,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:39,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:44:39,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:44:39,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:44:39,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:44:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:40,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:44:40,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:44:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:44:40,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:44:40,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:40,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981985012] [2022-11-19 06:44:40,427 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:44:40,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014790024] [2022-11-19 06:44:40,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014790024] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:40,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:40,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:44:40,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456327374] [2022-11-19 06:44:40,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:40,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:44:40,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:40,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:44:40,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:40,431 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 06:44:42,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:42,218 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2022-11-19 06:44:42,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:44:42,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2022-11-19 06:44:42,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:42,228 INFO L225 Difference]: With dead ends: 265 [2022-11-19 06:44:42,228 INFO L226 Difference]: Without dead ends: 159 [2022-11-19 06:44:42,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 06:44:42,230 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:42,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 206 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 06:44:42,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-19 06:44:42,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2022-11-19 06:44:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 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 06:44:42,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2022-11-19 06:44:42,258 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2022-11-19 06:44:42,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:42,259 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2022-11-19 06:44:42,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 06:44:42,259 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2022-11-19 06:44:42,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-19 06:44:42,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:42,261 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, 1, 1, 1] [2022-11-19 06:44:42,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 06:44:42,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:44:42,476 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:44:42,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:42,476 INFO L85 PathProgramCache]: Analyzing trace with hash 35155344, now seen corresponding path program 1 times [2022-11-19 06:44:42,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:42,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458021247] [2022-11-19 06:44:42,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:42,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:42,569 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:44:42,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1627144472] [2022-11-19 06:44:42,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:42,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:44:42,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:44:42,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:44:42,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:44:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:43,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:44:43,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:44:43,180 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 06:44:43,207 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 15 treesize of output 7 [2022-11-19 06:44:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 06:44:43,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:44:43,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:43,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458021247] [2022-11-19 06:44:43,219 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:44:43,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627144472] [2022-11-19 06:44:43,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627144472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:43,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:43,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:44:43,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611844314] [2022-11-19 06:44:43,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:43,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:44:43,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:43,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:44:43,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:44:43,224 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:44:45,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:44:45,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:45,633 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2022-11-19 06:44:45,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:44:45,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-11-19 06:44:45,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:45,640 INFO L225 Difference]: With dead ends: 201 [2022-11-19 06:44:45,640 INFO L226 Difference]: Without dead ends: 197 [2022-11-19 06:44:45,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 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 06:44:45,642 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 47 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:45,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 283 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-19 06:44:45,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-19 06:44:45,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2022-11-19 06:44:45,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 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 06:44:45,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2022-11-19 06:44:45,657 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2022-11-19 06:44:45,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:45,658 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2022-11-19 06:44:45,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:44:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2022-11-19 06:44:45,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 06:44:45,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:45,661 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:45,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:44:45,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:44:45,869 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:44:45,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:45,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1412611692, now seen corresponding path program 1 times [2022-11-19 06:44:45,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:45,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562691991] [2022-11-19 06:44:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:45,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:45,966 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:44:45,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [825813026] [2022-11-19 06:44:45,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:45,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:44:45,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:44:45,968 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:44:45,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:44:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:46,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:44:46,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:44:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 06:44:46,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:44:46,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:46,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562691991] [2022-11-19 06:44:46,675 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:44:46,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825813026] [2022-11-19 06:44:46,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825813026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:46,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:46,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:44:46,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291373880] [2022-11-19 06:44:46,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:46,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:44:46,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:46,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:44:46,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:44:46,678 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:44:47,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:47,335 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2022-11-19 06:44:47,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:44:47,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-19 06:44:47,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:47,343 INFO L225 Difference]: With dead ends: 344 [2022-11-19 06:44:47,343 INFO L226 Difference]: Without dead ends: 206 [2022-11-19 06:44:47,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 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 06:44:47,345 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 229 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:47,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 169 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 06:44:47,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-19 06:44:47,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2022-11-19 06:44:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 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 06:44:47,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2022-11-19 06:44:47,365 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2022-11-19 06:44:47,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:47,366 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2022-11-19 06:44:47,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:44:47,366 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2022-11-19 06:44:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 06:44:47,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:47,368 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:47,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:44:47,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:44:47,584 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:44:47,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:47,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1485013667, now seen corresponding path program 1 times [2022-11-19 06:44:47,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:47,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213285409] [2022-11-19 06:44:47,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:47,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:47,662 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:44:47,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1872579997] [2022-11-19 06:44:47,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:47,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:44:47,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:44:47,665 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:44:47,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 06:45:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:02,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:45:02,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:45:02,622 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 06:45:02,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:45:02,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:02,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213285409] [2022-11-19 06:45:02,623 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:45:02,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872579997] [2022-11-19 06:45:02,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872579997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:02,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:02,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:45:02,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791169816] [2022-11-19 06:45:02,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:02,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:45:02,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:02,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:45:02,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:45:02,628 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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 06:45:04,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:04,160 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2022-11-19 06:45:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:45:04,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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 64 [2022-11-19 06:45:04,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:04,167 INFO L225 Difference]: With dead ends: 381 [2022-11-19 06:45:04,167 INFO L226 Difference]: Without dead ends: 201 [2022-11-19 06:45:04,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 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 06:45:04,169 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:04,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 320 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 06:45:04,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-19 06:45:04,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-11-19 06:45:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 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 06:45:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2022-11-19 06:45:04,190 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2022-11-19 06:45:04,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:04,191 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2022-11-19 06:45:04,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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 06:45:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2022-11-19 06:45:04,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 06:45:04,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:04,203 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:04,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 06:45:04,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-19 06:45:04,418 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:04,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:04,418 INFO L85 PathProgramCache]: Analyzing trace with hash -256446477, now seen corresponding path program 1 times [2022-11-19 06:45:04,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:04,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188189174] [2022-11-19 06:45:04,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:04,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:04,487 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:45:04,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1362753978] [2022-11-19 06:45:04,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:04,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:45:04,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:45:04,498 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:45:04,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bed6896-86f3-4851-b81e-309cfc7fa393/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 06:45:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:25,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 06:45:25,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:45:25,697 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 06:45:25,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:45:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:45:25,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:25,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188189174] [2022-11-19 06:45:25,797 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:45:25,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362753978] [2022-11-19 06:45:25,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362753978] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:45:25,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [236703998] [2022-11-19 06:45:25,818 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-19 06:45:25,819 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:45:25,821 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:45:25,826 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:45:25,826 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:45:25,979 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 06:45:25,985 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 06:45:25,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,007 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:45:26,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-19 06:45:26,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,037 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:45:26,037 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 06:45:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 06:45:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,091 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 22 treesize of output 7 [2022-11-19 06:45:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,126 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 06:45:26,127 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 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-19 06:45:26,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,150 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 22 treesize of output 7 [2022-11-19 06:45:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,197 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 06:45:26,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-19 06:45:26,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,256 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:45:26,256 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 06:45:26,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,770 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 9897009 treesize of output 5376288 [2022-11-19 06:45:26,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,838 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 9897007 treesize of output 5376300 [2022-11-19 06:45:26,881 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 06:45:26,909 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 06:45:26,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:26,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,011 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 06:45:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,082 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 06:45:27,115 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 06:45:27,134 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 06:45:27,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,204 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 06:45:27,236 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 06:45:27,263 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 06:45:27,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,364 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 06:45:27,365 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 06:45:27,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,457 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 06:45:27,458 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 06:45:27,639 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 06:45:27,643 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 06:45:27,649 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 06:45:27,680 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 06:45:27,689 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 06:45:27,697 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 06:45:27,721 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 06:45:27,728 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 06:45:27,735 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 06:45:27,793 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 06:45:27,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 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 06:45:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:27,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 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 06:45:28,062 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 06:45:28,077 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 06:45:28,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:45:28,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 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 06:45:29,256 INFO L217 Elim1Store]: Index analysis took 851 ms [2022-11-19 06:45:34,642 WARN L233 SmtUtils]: Spent 5.38s 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 06:45:34,643 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 06:45:34,644 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 06:45:36,523 INFO L217 Elim1Store]: Index analysis took 1603 ms [2022-11-19 06:45:37,298 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 06:45:37,299 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 06:45:46,212 WARN L233 SmtUtils]: Spent 8.76s 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 06:45:46,213 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 06:45:46,213 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 1476 [2022-11-19 06:46:13,916 WARN L233 SmtUtils]: Spent 27.42s 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 06:46:13,917 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 06:46:13,917 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 2005 treesize of output 1834 [2022-11-19 06:46:16,017 INFO L217 Elim1Store]: Index analysis took 1202 ms [2022-11-19 06:46:56,123 WARN L233 SmtUtils]: Spent 39.42s 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 06:46:56,124 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-11-19 06:46:56,124 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 06:46:57,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:46:57,726 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-19 06:46:57,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:57,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:46:57,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-19 06:46:59,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:59,435 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 24 treesize of output 14 [2022-11-19 06:46:59,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:59,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-19 06:47:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:01,650 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 24 treesize of output 14 [2022-11-19 06:47:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:01,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-19 06:47:02,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:02,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:02,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:02,696 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 24 treesize of output 14 [2022-11-19 06:47:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:06,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:06,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:06,416 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 06:47:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:10,588 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 06:47:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:10,757 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 06:47:10,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:10,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:47:10,825 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 06:47:10,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:10,900 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 06:47:10,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:10,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 06:47:11,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:11,028 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 06:47:11,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:11,693 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 06:47:26,924 INFO L321 Elim1Store]: treesize reduction 669, result has 0.1 percent of original size [2022-11-19 06:47:26,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 2242 treesize of output 20305 [2022-11-19 06:47:27,140 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 51 treesize of output 43 [2022-11-19 06:47:27,534 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:47:27,684 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:47:29,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:47:29,393 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 93 treesize of output 59 [2022-11-19 06:47:29,509 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:47:29,659 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:47:29,751 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:47:30,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:47:31,032 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:47:31,038 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:47:34,967 INFO L217 Elim1Store]: Index analysis took 1139 ms [2022-11-19 06:47:45,450 WARN L233 SmtUtils]: Spent 10.47s on a formula simplification. DAG size of input: 157 DAG size of output: 3 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:47:45,450 INFO L321 Elim1Store]: treesize reduction 8395, result has 0.0 percent of original size [2022-11-19 06:47:45,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 33989 treesize of output 333119 [2022-11-19 06:47:46,835 INFO L217 Elim1Store]: Index analysis took 914 ms [2022-11-19 06:47:47,452 INFO L321 Elim1Store]: treesize reduction 4, result has 98.9 percent of original size [2022-11-19 06:47:47,452 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 738 treesize of output 914 [2022-11-19 06:47:48,224 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 183 treesize of output 179 [2022-11-19 06:47:48,354 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:47:49,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:51,066 INFO L217 Elim1Store]: Index analysis took 1256 ms [2022-11-19 06:47:56,856 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 37 DAG size of output: 33 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:47:56,857 INFO L321 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2022-11-19 06:47:56,857 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 1 case distinctions, treesize of input 1265 treesize of output 909 [2022-11-19 06:47:59,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:47:59,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:01,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:13,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:14,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:14,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:22,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:22,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:26,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:29,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:29,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:30,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:34,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:34,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:34,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:35,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:35,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:35,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:35,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:35,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:35,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:36,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:36,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:36,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:48:36,931 INFO L217 Elim1Store]: Index analysis took 37184 ms [2022-11-19 06:48:37,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 53 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 178801 treesize of output 4635574