./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7 --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 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:13:10,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:13:10,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:13:10,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:13:10,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:13:10,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:13:10,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:13:10,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:13:10,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:13:10,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:13:10,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:13:10,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:13:10,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:13:10,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:13:10,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:13:10,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:13:10,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:13:10,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:13:10,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:13:10,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:13:10,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:13:10,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:13:10,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:13:10,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:13:10,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:13:10,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:13:10,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:13:10,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:13:10,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:13:10,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:13:10,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:13:10,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:13:10,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:13:10,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:13:10,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:13:10,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:13:10,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:13:10,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:13:10,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:13:10,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:13:10,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:13:10,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:13:10,997 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:13:10,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:13:10,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:13:10,998 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:13:10,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:13:10,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:13:11,000 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:13:11,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:13:11,000 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:13:11,000 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:13:11,002 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:13:11,002 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:13:11,002 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:13:11,002 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:13:11,003 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:13:11,003 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:13:11,003 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:13:11,003 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:13:11,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:13:11,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:13:11,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:13:11,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:13:11,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:13:11,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:13:11,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:13:11,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:13:11,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:13:11,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:13:11,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:13:11,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:13:11,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:13:11,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:13:11,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:13:11,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:13:11,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:13:11,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:13:11,009 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:13:11,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:13:11,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:13:11,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:13:11,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:13:11,010 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc [2021-11-25 18:13:11,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:13:11,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:13:11,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:13:11,328 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:13:11,328 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:13:11,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2021-11-25 18:13:11,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/data/ad367bdcd/3e6cbf5cd6174115a9d5e4ea9ebe70a2/FLAG320de1e90 [2021-11-25 18:13:12,046 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:13:12,050 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2021-11-25 18:13:12,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/data/ad367bdcd/3e6cbf5cd6174115a9d5e4ea9ebe70a2/FLAG320de1e90 [2021-11-25 18:13:12,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/data/ad367bdcd/3e6cbf5cd6174115a9d5e4ea9ebe70a2 [2021-11-25 18:13:12,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:13:12,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:13:12,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:13:12,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:13:12,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:13:12,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:13:12" (1/1) ... [2021-11-25 18:13:12,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc6bc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:12, skipping insertion in model container [2021-11-25 18:13:12,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:13:12" (1/1) ... [2021-11-25 18:13:12,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:13:12,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:13:12,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[33021,33034] [2021-11-25 18:13:12,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44124,44137] [2021-11-25 18:13:12,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44245,44258] [2021-11-25 18:13:12,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:13:12,941 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:13:12,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[33021,33034] [2021-11-25 18:13:13,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44124,44137] [2021-11-25 18:13:13,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44245,44258] [2021-11-25 18:13:13,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:13:13,138 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:13:13,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13 WrapperNode [2021-11-25 18:13:13,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:13:13,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:13:13,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:13:13,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:13:13,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13" (1/1) ... [2021-11-25 18:13:13,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13" (1/1) ... [2021-11-25 18:13:13,266 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1151 [2021-11-25 18:13:13,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:13:13,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:13:13,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:13:13,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:13:13,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13" (1/1) ... [2021-11-25 18:13:13,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13" (1/1) ... [2021-11-25 18:13:13,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13" (1/1) ... [2021-11-25 18:13:13,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13" (1/1) ... [2021-11-25 18:13:13,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13" (1/1) ... [2021-11-25 18:13:13,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13" (1/1) ... [2021-11-25 18:13:13,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13" (1/1) ... [2021-11-25 18:13:13,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:13:13,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:13:13,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:13:13,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:13:13,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13" (1/1) ... [2021-11-25 18:13:13,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:13:13,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:13:13,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:13:13,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:13:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:13:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:13:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:13:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:13:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:13:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:13:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:13:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:13:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:13:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:13:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:13:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:13:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:13:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:13:13,813 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:13:13,815 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:13:14,891 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:13:15,307 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:13:15,307 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-25 18:13:15,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:13:15 BoogieIcfgContainer [2021-11-25 18:13:15,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:13:15,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:13:15,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:13:15,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:13:15,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:13:12" (1/3) ... [2021-11-25 18:13:15,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300508f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:13:15, skipping insertion in model container [2021-11-25 18:13:15,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:13:13" (2/3) ... [2021-11-25 18:13:15,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300508f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:13:15, skipping insertion in model container [2021-11-25 18:13:15,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:13:15" (3/3) ... [2021-11-25 18:13:15,326 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-2.i [2021-11-25 18:13:15,332 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:13:15,332 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:13:15,391 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:13:15,406 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:13:15,407 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:13:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 115 states have (on average 1.808695652173913) internal successors, (208), 117 states have internal predecessors, (208), 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) [2021-11-25 18:13:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 18:13:15,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:13:15,435 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:13:15,435 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:13:15,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:13:15,441 INFO L85 PathProgramCache]: Analyzing trace with hash 2062520436, now seen corresponding path program 1 times [2021-11-25 18:13:15,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:13:15,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467365914] [2021-11-25 18:13:15,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:13:15,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:13:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:13:15,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:13:15,608 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:13:15,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467365914] [2021-11-25 18:13:15,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467365914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:13:15,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:13:15,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:13:15,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541354003] [2021-11-25 18:13:15,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:13:15,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:13:15,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:13:15,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:13:15,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:13:15,669 INFO L87 Difference]: Start difference. First operand has 122 states, 115 states have (on average 1.808695652173913) internal successors, (208), 117 states have internal predecessors, (208), 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) [2021-11-25 18:13:16,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:13:16,421 INFO L93 Difference]: Finished difference Result 243 states and 427 transitions. [2021-11-25 18:13:16,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:13:16,432 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 [2021-11-25 18:13:16,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:13:16,439 INFO L225 Difference]: With dead ends: 243 [2021-11-25 18:13:16,439 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 18:13:16,443 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:13:16,447 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:13:16,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 18:13:16,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 18:13:16,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 18:13:16,487 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) [2021-11-25 18:13:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2021-11-25 18:13:16,491 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2021-11-25 18:13:16,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:13:16,491 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2021-11-25 18:13:16,492 INFO L471 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) [2021-11-25 18:13:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2021-11-25 18:13:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 18:13:16,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:13:16,493 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:13:16,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:13:16,493 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:13:16,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:13:16,494 INFO L85 PathProgramCache]: Analyzing trace with hash -75086937, now seen corresponding path program 1 times [2021-11-25 18:13:16,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:13:16,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106330701] [2021-11-25 18:13:16,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:13:16,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:13:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:13:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:13:16,562 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:13:16,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106330701] [2021-11-25 18:13:16,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106330701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:13:16,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:13:16,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:13:16,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499284120] [2021-11-25 18:13:16,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:13:16,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:13:16,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:13:16,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:13:16,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:13:16,566 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) [2021-11-25 18:13:17,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:13:17,929 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2021-11-25 18:13:17,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:13:17,936 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 [2021-11-25 18:13:17,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:13:17,938 INFO L225 Difference]: With dead ends: 219 [2021-11-25 18:13:17,938 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 18:13:17,939 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:13:17,940 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:13:17,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 285 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:13:17,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 18:13:17,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2021-11-25 18:13:17,953 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) [2021-11-25 18:13:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-11-25 18:13:17,954 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2021-11-25 18:13:17,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:13:17,955 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-11-25 18:13:17,955 INFO L471 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) [2021-11-25 18:13:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-11-25 18:13:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 18:13:17,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:13:17,957 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:13:17,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:13:17,957 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:13:17,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:13:17,958 INFO L85 PathProgramCache]: Analyzing trace with hash -135765108, now seen corresponding path program 1 times [2021-11-25 18:13:17,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:13:17,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732058784] [2021-11-25 18:13:17,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:13:17,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:13:18,105 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:13:18,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633547151] [2021-11-25 18:13:18,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:13:18,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:13:18,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:13:18,117 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:13:18,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:13:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:13:18,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:13:18,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:13:19,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:13:19,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:13:19,032 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:13:19,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732058784] [2021-11-25 18:13:19,033 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:13:19,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633547151] [2021-11-25 18:13:19,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633547151] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:13:19,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:13:19,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:13:19,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774663929] [2021-11-25 18:13:19,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:13:19,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:13:19,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:13:19,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:13:19,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:13:19,036 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) [2021-11-25 18:13:20,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:13:20,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:13:20,992 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2021-11-25 18:13:21,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:13:21,009 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 [2021-11-25 18:13:21,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:13:21,011 INFO L225 Difference]: With dead ends: 265 [2021-11-25 18:13:21,011 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 18:13:21,012 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:13:21,013 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:13:21,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 208 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:13:21,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 18:13:21,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2021-11-25 18:13:21,028 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) [2021-11-25 18:13:21,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2021-11-25 18:13:21,029 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2021-11-25 18:13:21,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:13:21,030 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2021-11-25 18:13:21,030 INFO L471 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) [2021-11-25 18:13:21,030 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2021-11-25 18:13:21,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 18:13:21,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:13:21,032 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:13:21,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:13:21,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:13:21,249 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:13:21,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:13:21,250 INFO L85 PathProgramCache]: Analyzing trace with hash -2033909546, now seen corresponding path program 1 times [2021-11-25 18:13:21,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:13:21,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770976741] [2021-11-25 18:13:21,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:13:21,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:13:21,333 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:13:21,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [445709185] [2021-11-25 18:13:21,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:13:21,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:13:21,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:13:21,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:13:21,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:13:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:13:21,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:13:21,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:13:21,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:13:21,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:13:21,981 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:13:21,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:13:21,982 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:13:21,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770976741] [2021-11-25 18:13:21,982 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:13:21,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445709185] [2021-11-25 18:13:21,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445709185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:13:21,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:13:21,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:13:21,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935068624] [2021-11-25 18:13:21,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:13:21,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:13:21,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:13:21,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:13:21,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:13:21,986 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) [2021-11-25 18:13:23,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:13:23,919 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2021-11-25 18:13:23,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:13:23,932 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 [2021-11-25 18:13:23,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:13:23,934 INFO L225 Difference]: With dead ends: 201 [2021-11-25 18:13:23,934 INFO L226 Difference]: Without dead ends: 197 [2021-11-25 18:13:23,934 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:13:23,935 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 46 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:13:23,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 287 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:13:23,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-25 18:13:23,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2021-11-25 18:13:23,949 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) [2021-11-25 18:13:23,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2021-11-25 18:13:23,951 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2021-11-25 18:13:23,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:13:23,953 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2021-11-25 18:13:23,953 INFO L471 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) [2021-11-25 18:13:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2021-11-25 18:13:23,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 18:13:23,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:13:23,956 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:13:23,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:13:24,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:13:24,185 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:13:24,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:13:24,185 INFO L85 PathProgramCache]: Analyzing trace with hash 340221349, now seen corresponding path program 1 times [2021-11-25 18:13:24,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:13:24,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61177874] [2021-11-25 18:13:24,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:13:24,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:13:24,257 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:13:24,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1698854415] [2021-11-25 18:13:24,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:13:24,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:13:24,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:13:24,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:13:24,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:13:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:13:24,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:13:24,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:13:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:13:24,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:13:24,922 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:13:24,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61177874] [2021-11-25 18:13:24,923 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:13:24,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698854415] [2021-11-25 18:13:24,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698854415] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:13:24,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:13:24,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:13:24,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825034475] [2021-11-25 18:13:24,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:13:24,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:13:24,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:13:24,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:13:24,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:13:24,926 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) [2021-11-25 18:13:25,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:13:25,706 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2021-11-25 18:13:25,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:13:25,719 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 [2021-11-25 18:13:25,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:13:25,721 INFO L225 Difference]: With dead ends: 344 [2021-11-25 18:13:25,721 INFO L226 Difference]: Without dead ends: 206 [2021-11-25 18:13:25,722 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:13:25,723 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 227 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:13:25,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 175 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:13:25,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-25 18:13:25,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2021-11-25 18:13:25,746 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) [2021-11-25 18:13:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2021-11-25 18:13:25,747 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2021-11-25 18:13:25,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:13:25,747 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2021-11-25 18:13:25,748 INFO L471 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) [2021-11-25 18:13:25,748 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2021-11-25 18:13:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 18:13:25,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:13:25,750 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:13:25,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-25 18:13:25,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:13:25,965 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:13:25,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:13:25,965 INFO L85 PathProgramCache]: Analyzing trace with hash -105684312, now seen corresponding path program 1 times [2021-11-25 18:13:25,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:13:25,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979036508] [2021-11-25 18:13:25,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:13:25,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:13:26,018 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:13:26,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1644966343] [2021-11-25 18:13:26,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:13:26,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:13:26,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:13:26,020 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:13:26,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:14:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:14:11,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:14:11,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:14:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:14:11,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:14:11,388 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:14:11,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979036508] [2021-11-25 18:14:11,388 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:14:11,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644966343] [2021-11-25 18:14:11,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644966343] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:14:11,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:14:11,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:14:11,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891646608] [2021-11-25 18:14:11,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:14:11,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:14:11,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:14:11,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:14:11,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:14:11,391 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:14:13,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:14:13,586 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2021-11-25 18:14:13,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:14:13,596 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2021-11-25 18:14:13,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:14:13,599 INFO L225 Difference]: With dead ends: 381 [2021-11-25 18:14:13,599 INFO L226 Difference]: Without dead ends: 201 [2021-11-25 18:14:13,600 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:14:13,601 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:14:13,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 18:14:13,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-25 18:14:13,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2021-11-25 18:14:13,616 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) [2021-11-25 18:14:13,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2021-11-25 18:14:13,618 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2021-11-25 18:14:13,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:14:13,619 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2021-11-25 18:14:13,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:14:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2021-11-25 18:14:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 18:14:13,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:14:13,622 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:14:13,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-25 18:14:13,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 18:14:13,841 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:14:13,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:14:13,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1390713772, now seen corresponding path program 1 times [2021-11-25 18:14:13,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:14:13,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139962002] [2021-11-25 18:14:13,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:14:13,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:14:13,920 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:14:13,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737458922] [2021-11-25 18:14:13,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:14:13,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:14:13,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:14:13,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:14:13,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6481f22d-d6e8-4a5b-9986-426e3731f0e9/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:14:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:14:24,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:14:24,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:14:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:14:25,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:14:25,301 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:14:25,301 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:14:25,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139962002] [2021-11-25 18:14:25,301 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:14:25,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737458922] [2021-11-25 18:14:25,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737458922] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:14:25,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1604687705] [2021-11-25 18:14:25,322 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 18:14:25,322 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:14:25,327 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:14:25,332 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:14:25,332 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:14:25,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,488 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:14:25,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:25,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:14:25,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:25,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:14:25,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:14:25,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,577 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:14:25,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:25,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:25,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,642 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:14:25,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:25,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2021-11-25 18:14:25,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:25,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 18:14:26,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:26,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:26,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 18:14:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-25 18:14:26,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:26,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-25 18:14:26,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-25 18:14:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:26,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:14:26,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 18:14:26,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:26,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:14:26,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:14:26,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:14:26,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:14:26,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 68 treesize of output 67 [2021-11-25 18:14:26,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 68 treesize of output 67 [2021-11-25 18:14:26,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 69 [2021-11-25 18:14:26,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:14:26,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:14:26,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:14:26,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:14:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 78 treesize of output 30 [2021-11-25 18:14:26,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:26,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:14:26,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:14:26,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:26,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 78 treesize of output 30 [2021-11-25 18:14:32,037 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:14:32,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:14:32,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:42,527 WARN L227 SmtUtils]: Spent 10.35s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:14:42,528 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:14:42,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:14:42,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:43,233 INFO L244 Elim1Store]: Index analysis took 500 ms [2021-11-25 18:14:54,389 WARN L227 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:14:54,390 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:14:54,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:14:54,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:55,040 INFO L244 Elim1Store]: Index analysis took 226 ms [2021-11-25 18:14:56,185 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 18:14:56,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 18:14:56,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:56,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:56,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:56,596 INFO L244 Elim1Store]: Index analysis took 212 ms [2021-11-25 18:14:56,610 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:14:56,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:14:57,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:57,132 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:14:57,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:14:57,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:57,595 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:14:57,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:14:57,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:57,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:57,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:57,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:57,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:57,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:57,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,057 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,097 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,149 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,479 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,608 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,654 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:58,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,475 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,694 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:59,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:00,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:00,131 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:00,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:00,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:00,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:00,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:00,672 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:00,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:00,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:00,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:00,845 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,287 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,406 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,520 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,563 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,603 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,687 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,865 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,914 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:01,981 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,153 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,278 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,314 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,452 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,514 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:02,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,406 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,546 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,944 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:03,982 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:04,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:04,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:04,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:04,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:04,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:04,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:04,450 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-25 18:15:04,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1241 treesize of output 791 [2021-11-25 18:15:04,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,839 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:04,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,624 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:05,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,061 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,390 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,450 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,811 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:06,886 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:07,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:07,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 15 [2021-11-25 18:15:07,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:07,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:08,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:08,247 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 18:15:08,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 18:15:08,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:08,304 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:08,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:08,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-25 18:15:10,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:10,995 INFO L244 Elim1Store]: Index analysis took 322 ms [2021-11-25 18:15:11,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:14,139 INFO L354 Elim1Store]: treesize reduction 9884, result has 39.3 percent of original size [2021-11-25 18:15:14,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 57667 treesize of output 56876 [2021-11-25 18:15:33,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:33,855 INFO L244 Elim1Store]: Index analysis took 342 ms [2021-11-25 18:15:34,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:34,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:37,737 INFO L354 Elim1Store]: treesize reduction 8978, result has 45.0 percent of original size [2021-11-25 18:15:37,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 6340 treesize of output 11953 [2021-11-25 18:15:37,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:37,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:37,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:38,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:38,056 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-11-25 18:15:38,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:40,079 INFO L354 Elim1Store]: treesize reduction 6630, result has 45.1 percent of original size [2021-11-25 18:15:40,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 16229 treesize of output 18923 [2021-11-25 18:15:41,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:41,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:41,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,388 INFO L244 Elim1Store]: Index analysis took 264 ms [2021-11-25 18:15:41,629 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 18:15:41,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 5290 treesize of output 3722 [2021-11-25 18:15:41,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:41,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:41,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:41,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:41,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:41,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,056 INFO L244 Elim1Store]: Index analysis took 249 ms [2021-11-25 18:15:42,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 8615 treesize of output 6735 [2021-11-25 18:15:42,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:42,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:42,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:42,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:42,857 INFO L244 Elim1Store]: Index analysis took 299 ms [2021-11-25 18:15:43,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 6179 treesize of output 4519 [2021-11-25 18:15:43,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:43,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:43,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:43,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,449 INFO L244 Elim1Store]: Index analysis took 260 ms [2021-11-25 18:15:43,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 5795 treesize of output 4230 [2021-11-25 18:15:43,666 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:43,715 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:43,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:43,981 INFO L244 Elim1Store]: Index analysis took 174 ms [2021-11-25 18:15:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,360 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 18:15:44,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 13167 treesize of output 10519 [2021-11-25 18:15:44,551 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:15:44,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:44,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:44,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:44,926 INFO L244 Elim1Store]: Index analysis took 304 ms [2021-11-25 18:15:45,220 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 18:15:45,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 7503 treesize of output 5623 [2021-11-25 18:15:45,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:45,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:45,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:45,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:45,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:45,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:45,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:45,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:45,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:45,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:45,661 INFO L244 Elim1Store]: Index analysis took 301 ms [2021-11-25 18:15:45,848 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 18:15:45,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 5290 treesize of output 3722 [2021-11-25 18:15:46,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:46,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:46,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:46,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:46,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:15:46,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:46,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:46,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:46,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:46,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:46,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:46,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:46,260 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-11-25 18:15:46,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 5290 treesize of output 3722 [2021-11-25 18:15:55,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:15:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver