./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.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_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/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_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/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_2eb48846-b836-4138-b68f-597dc99f6d4d/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 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:11:13,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:11:13,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:11:13,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:11:13,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:11:13,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:11:13,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:11:13,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:11:13,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:11:13,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:11:13,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:11:13,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:11:13,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:11:13,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:11:13,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:11:13,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:11:13,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:11:13,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:11:13,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:11:13,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:11:13,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:11:13,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:11:13,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:11:13,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:11:13,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:11:13,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:11:13,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:11:13,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:11:13,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:11:13,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:11:13,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:11:13,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:11:13,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:11:13,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:11:13,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:11:13,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:11:13,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:11:13,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:11:13,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:11:14,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:11:14,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:11:14,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:11:14,051 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:11:14,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:11:14,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:11:14,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:11:14,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:11:14,053 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:11:14,054 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:11:14,054 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:11:14,054 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:11:14,054 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:11:14,055 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:11:14,055 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:11:14,055 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:11:14,056 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:11:14,056 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:11:14,056 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:11:14,056 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:11:14,057 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:11:14,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:11:14,058 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:11:14,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:11:14,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:11:14,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:11:14,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:11:14,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:11:14,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:11:14,060 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:11:14,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:11:14,060 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:11:14,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:11:14,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:11:14,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:11:14,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:11:14,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:11:14,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:11:14,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:11:14,063 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:11:14,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:11:14,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:11:14,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:11:14,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:11:14,064 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_2eb48846-b836-4138-b68f-597dc99f6d4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 [2021-11-25 18:11:14,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:11:14,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:11:14,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:11:14,403 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:11:14,404 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:11:14,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-25 18:11:14,483 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/data/2c106063e/1981d89e27244c59a7a6efd56dad8846/FLAG3259c2700 [2021-11-25 18:11:15,184 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:11:15,185 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-25 18:11:15,208 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/data/2c106063e/1981d89e27244c59a7a6efd56dad8846/FLAG3259c2700 [2021-11-25 18:11:15,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/data/2c106063e/1981d89e27244c59a7a6efd56dad8846 [2021-11-25 18:11:15,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:11:15,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:11:15,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:11:15,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:11:15,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:11:15,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:11:15" (1/1) ... [2021-11-25 18:11:15,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c19cd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:15, skipping insertion in model container [2021-11-25 18:11:15,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:11:15" (1/1) ... [2021-11-25 18:11:15,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:11:15,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:11:16,171 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_2eb48846-b836-4138-b68f-597dc99f6d4d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-25 18:11:16,368 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_2eb48846-b836-4138-b68f-597dc99f6d4d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-25 18:11:16,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:11:16,402 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:11:16,477 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_2eb48846-b836-4138-b68f-597dc99f6d4d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-25 18:11:16,564 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_2eb48846-b836-4138-b68f-597dc99f6d4d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-25 18:11:16,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:11:16,627 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:11:16,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16 WrapperNode [2021-11-25 18:11:16,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:11:16,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:11:16,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:11:16,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:11:16,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16" (1/1) ... [2021-11-25 18:11:16,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16" (1/1) ... [2021-11-25 18:11:16,755 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 884 [2021-11-25 18:11:16,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:11:16,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:11:16,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:11:16,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:11:16,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16" (1/1) ... [2021-11-25 18:11:16,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16" (1/1) ... [2021-11-25 18:11:16,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16" (1/1) ... [2021-11-25 18:11:16,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16" (1/1) ... [2021-11-25 18:11:16,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16" (1/1) ... [2021-11-25 18:11:16,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16" (1/1) ... [2021-11-25 18:11:16,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16" (1/1) ... [2021-11-25 18:11:16,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:11:16,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:11:16,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:11:16,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:11:16,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16" (1/1) ... [2021-11-25 18:11:16,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:11:16,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:11:16,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:11:16,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:11:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:11:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:11:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:11:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:11:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:11:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:11:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:11:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:11:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:11:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:11:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:11:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:11:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:11:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:11:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:11:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:11:17,327 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:11:17,329 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:11:18,385 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:11:18,878 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:11:18,879 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-25 18:11:18,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:11:18 BoogieIcfgContainer [2021-11-25 18:11:18,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:11:18,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:11:18,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:11:18,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:11:18,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:11:15" (1/3) ... [2021-11-25 18:11:18,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755dc7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:11:18, skipping insertion in model container [2021-11-25 18:11:18,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:16" (2/3) ... [2021-11-25 18:11:18,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755dc7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:11:18, skipping insertion in model container [2021-11-25 18:11:18,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:11:18" (3/3) ... [2021-11-25 18:11:18,895 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test2-1.i [2021-11-25 18:11:18,906 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:11:18,906 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:11:18,986 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:11:19,006 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 18:11:19,006 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:11:19,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:11:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 18:11:19,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:11:19,044 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:11:19,045 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:11:19,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:11:19,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1416617355, now seen corresponding path program 1 times [2021-11-25 18:11:19,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:11:19,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834647719] [2021-11-25 18:11:19,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:19,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:11:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:11:19,273 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 18:11:19,274 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:11:19,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834647719] [2021-11-25 18:11:19,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834647719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:11:19,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:11:19,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:11:19,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003980471] [2021-11-25 18:11:19,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:11:19,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:11:19,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:11:19,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:11:19,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:11:19,325 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 18:11:19,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:11:19,958 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2021-11-25 18:11:19,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:11:19,970 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-25 18:11:19,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:11:19,982 INFO L225 Difference]: With dead ends: 217 [2021-11-25 18:11:19,982 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 18:11:19,987 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 18:11:19,992 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:11:19,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 18:11:20,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 18:11:20,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 18:11:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:11:20,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2021-11-25 18:11:20,048 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2021-11-25 18:11:20,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:11:20,049 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2021-11-25 18:11:20,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 18:11:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2021-11-25 18:11:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 18:11:20,052 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:11:20,052 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:11:20,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:11:20,053 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:11:20,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:11:20,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1000196391, now seen corresponding path program 1 times [2021-11-25 18:11:20,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:11:20,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009216899] [2021-11-25 18:11:20,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:20,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:11:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:11:20,144 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 18:11:20,145 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:11:20,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009216899] [2021-11-25 18:11:20,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009216899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:11:20,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:11:20,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:11:20,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997033122] [2021-11-25 18:11:20,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:11:20,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:11:20,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:11:20,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:11:20,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:11:20,149 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 18:11:21,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:11:21,422 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2021-11-25 18:11:21,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:11:21,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-25 18:11:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:11:21,431 INFO L225 Difference]: With dead ends: 222 [2021-11-25 18:11:21,431 INFO L226 Difference]: Without dead ends: 168 [2021-11-25 18:11:21,432 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 18:11:21,433 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:11:21,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 319 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:11:21,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-25 18:11:21,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2021-11-25 18:11:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:11:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2021-11-25 18:11:21,453 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2021-11-25 18:11:21,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:11:21,454 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2021-11-25 18:11:21,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 18:11:21,454 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2021-11-25 18:11:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 18:11:21,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:11:21,457 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:11:21,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:11:21,457 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:11:21,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:11:21,458 INFO L85 PathProgramCache]: Analyzing trace with hash -981044614, now seen corresponding path program 1 times [2021-11-25 18:11:21,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:11:21,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405550709] [2021-11-25 18:11:21,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:21,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:11:21,610 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:11:21,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584373738] [2021-11-25 18:11:21,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:21,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:11:21,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:11:21,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:11:21,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:11:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:11:22,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:11:22,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:11:22,643 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 18:11:22,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:11:22,644 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:11:22,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405550709] [2021-11-25 18:11:22,645 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:11:22,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584373738] [2021-11-25 18:11:22,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584373738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:11:22,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:11:22,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:11:22,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798285469] [2021-11-25 18:11:22,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:11:22,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:11:22,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:11:22,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:11:22,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:11:22,654 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 18:11:24,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:11:24,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:11:24,450 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2021-11-25 18:11:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:11:24,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2021-11-25 18:11:24,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:11:24,476 INFO L225 Difference]: With dead ends: 260 [2021-11-25 18:11:24,476 INFO L226 Difference]: Without dead ends: 154 [2021-11-25 18:11:24,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 18:11:24,479 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 43 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:11:24,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 18:11:24,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-25 18:11:24,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2021-11-25 18:11:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:11:24,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2021-11-25 18:11:24,501 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2021-11-25 18:11:24,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:11:24,502 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2021-11-25 18:11:24,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 18:11:24,502 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2021-11-25 18:11:24,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 18:11:24,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:11:24,505 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 18:11:24,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:11:24,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:11:24,732 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:11:24,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:11:24,733 INFO L85 PathProgramCache]: Analyzing trace with hash 2039789200, now seen corresponding path program 1 times [2021-11-25 18:11:24,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:11:24,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380555953] [2021-11-25 18:11:24,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:24,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:11:24,792 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:11:24,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2026024257] [2021-11-25 18:11:24,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:24,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:11:24,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:11:24,793 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:11:24,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:11:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:11:25,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:11:25,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:11:25,463 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 18:11:25,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:11:25,463 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:11:25,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380555953] [2021-11-25 18:11:25,464 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:11:25,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026024257] [2021-11-25 18:11:25,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026024257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:11:25,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:11:25,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:11:25,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211143920] [2021-11-25 18:11:25,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:11:25,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:11:25,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:11:25,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:11:25,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:11:25,473 INFO L87 Difference]: Start difference. First operand 152 states and 190 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 18:11:26,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:11:26,607 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2021-11-25 18:11:26,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:11:26,607 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 18:11:26,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:11:26,609 INFO L225 Difference]: With dead ends: 258 [2021-11-25 18:11:26,609 INFO L226 Difference]: Without dead ends: 122 [2021-11-25 18:11:26,610 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 18:11:26,611 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:11:26,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 156 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:11:26,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-25 18:11:26,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-25 18:11:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:11:26,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2021-11-25 18:11:26,625 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2021-11-25 18:11:26,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:11:26,626 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2021-11-25 18:11:26,626 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 18:11:26,626 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2021-11-25 18:11:26,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 18:11:26,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:11:26,629 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 18:11:26,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:11:26,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-25 18:11:26,844 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:11:26,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:11:26,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1917685262, now seen corresponding path program 1 times [2021-11-25 18:11:26,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:11:26,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322945578] [2021-11-25 18:11:26,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:26,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:11:26,900 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:11:26,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1111985379] [2021-11-25 18:11:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:26,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:11:26,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:11:26,902 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:11:26,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:11:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:11:27,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:11:27,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:11:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 18:11:28,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:11:28,068 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:11:28,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322945578] [2021-11-25 18:11:28,068 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:11:28,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111985379] [2021-11-25 18:11:28,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111985379] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:11:28,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:11:28,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:11:28,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722179162] [2021-11-25 18:11:28,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:11:28,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:11:28,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:11:28,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:11:28,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:11:28,071 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:11:30,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:11:31,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:11:31,467 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2021-11-25 18:11:31,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:11:31,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 18:11:31,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:11:31,480 INFO L225 Difference]: With dead ends: 227 [2021-11-25 18:11:31,481 INFO L226 Difference]: Without dead ends: 124 [2021-11-25 18:11:31,481 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 18:11:31,482 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:11:31,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 18:11:31,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-25 18:11:31,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-25 18:11:31,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-25 18:11:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2021-11-25 18:11:31,501 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2021-11-25 18:11:31,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:11:31,502 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2021-11-25 18:11:31,502 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:11:31,502 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2021-11-25 18:11:31,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 18:11:31,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:11:31,505 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 18:11:31,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:11:31,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:11:31,728 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:11:31,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:11:31,729 INFO L85 PathProgramCache]: Analyzing trace with hash 759391854, now seen corresponding path program 1 times [2021-11-25 18:11:31,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:11:31,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996220285] [2021-11-25 18:11:31,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:31,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:11:31,778 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:11:31,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665743705] [2021-11-25 18:11:31,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:31,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:11:31,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:11:31,780 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:11:31,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb48846-b836-4138-b68f-597dc99f6d4d/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:11:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:11:33,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:11:33,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:11:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 18:11:33,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:11:33,997 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:11:33,997 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:11:33,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996220285] [2021-11-25 18:11:33,997 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:11:33,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665743705] [2021-11-25 18:11:33,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665743705] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:11:33,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [123258604] [2021-11-25 18:11:34,019 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 18:11:34,019 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:11:34,024 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:11:34,029 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:11:34,030 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:11:34,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:11:34,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,203 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:11:34,203 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 18:11:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,213 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 18:11:34,222 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 18:11:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,231 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 18:11:34,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,283 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 18:11:34,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,299 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 18:11:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,331 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:11:34,331 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 18:11:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,420 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:11:34,420 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 18:11:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,448 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 18:11:34,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,768 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 18:11:34,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,791 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 18:11:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,828 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 18:11:34,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,856 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 18:11:34,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,920 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 18:11:34,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,954 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 18:11:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:34,992 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 18:11:35,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,010 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 18:11:35,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,067 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 18:11:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,097 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 18:11:35,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,130 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 18:11:35,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,213 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:11:35,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 18:11:35,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,236 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 18:11:35,354 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 18:11:35,358 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 18:11:35,362 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 13 treesize of output 9 [2021-11-25 18:11:35,420 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 18:11:35,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 60 [2021-11-25 18:11:35,452 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:11:35,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2021-11-25 18:11:35,481 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:11:35,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 18:11:35,527 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 18:11:35,535 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 18:11:35,545 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 18:11:35,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,618 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 18:11:35,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,647 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 108 treesize of output 42 [2021-11-25 18:11:35,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:11:35,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,817 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 18:11:35,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,842 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 108 treesize of output 42 [2021-11-25 18:11:35,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:35,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:11:42,621 WARN L227 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:11:42,623 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:11:42,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 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 18:11:42,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:51,868 WARN L227 SmtUtils]: Spent 9.12s 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 18:11:51,869 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:11:51,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 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 18:11:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:11:52,423 INFO L244 Elim1Store]: Index analysis took 372 ms [2021-11-25 18:12:03,276 WARN L227 SmtUtils]: Spent 10.66s 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 18:12:03,278 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:12:03,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 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 18:12:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:03,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:03,891 INFO L244 Elim1Store]: Index analysis took 166 ms [2021-11-25 18:12:04,740 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 18:12:04,741 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 18:12:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:05,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:05,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:05,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:12:05,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:05,679 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:12:05,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:12:05,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:06,055 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:12:06,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 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 18:12:06,131 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:06,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:06,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-25 18:12:06,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:06,465 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 18:12:06,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 18:12:06,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:06,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:06,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:06,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:06,812 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:12:06,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1194 treesize of output 1010 [2021-11-25 18:12:06,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:06,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:06,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:06,973 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:07,012 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:07,093 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:07,125 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:07,179 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:07,230 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:07,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:07,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:07,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:07,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:07,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:07,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:07,448 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-11-25 18:12:07,811 INFO L354 Elim1Store]: treesize reduction 224, result has 51.4 percent of original size [2021-11-25 18:12:07,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1271 treesize of output 1059 [2021-11-25 18:12:07,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:08,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:08,042 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:08,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:08,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:08,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:08,218 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-25 18:12:08,398 INFO L354 Elim1Store]: treesize reduction 203, result has 48.3 percent of original size [2021-11-25 18:12:08,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1203 treesize of output 1013 [2021-11-25 18:12:08,448 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:08,530 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:08,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:08,599 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:08,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:08,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:08,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:08,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:08,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:08,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:08,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:08,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:08,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:08,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:08,953 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-11-25 18:12:09,077 INFO L354 Elim1Store]: treesize reduction 6, result has 66.7 percent of original size [2021-11-25 18:12:09,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 815 treesize of output 377 [2021-11-25 18:12:09,130 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:09,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:09,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:09,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:09,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-25 18:12:09,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:09,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-25 18:12:09,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:09,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:09,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:09,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:09,770 INFO L354 Elim1Store]: treesize reduction 18, result has 84.6 percent of original size [2021-11-25 18:12:09,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 815 treesize of output 463 [2021-11-25 18:12:09,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:10,240 INFO L244 Elim1Store]: Index analysis took 303 ms [2021-11-25 18:12:10,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:11,486 INFO L354 Elim1Store]: treesize reduction 1275, result has 30.8 percent of original size [2021-11-25 18:12:11,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1280 treesize of output 1393 [2021-11-25 18:12:11,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:11,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:11,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:11,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:11,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1194 treesize of output 820 [2021-11-25 18:12:11,852 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:11,896 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:11,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:11,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:11,995 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:12,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:12,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:12,180 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 18:12:12,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 806 treesize of output 408 [2021-11-25 18:12:12,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:12,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:12,295 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:12,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:12,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:12,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:12,476 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-25 18:12:12,919 INFO L354 Elim1Store]: treesize reduction 796, result has 34.6 percent of original size [2021-11-25 18:12:12,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1271 treesize of output 1243 [2021-11-25 18:12:12,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:13,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:13,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:13,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:13,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1194 treesize of output 820 [2021-11-25 18:12:13,270 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:13,304 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:13,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:13,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:13,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:13,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:13,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:13,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:13,589 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 18:12:13,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 806 treesize of output 408 [2021-11-25 18:12:13,615 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:13,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:13,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:13,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:13,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:13,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:13,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 806 treesize of output 362 [2021-11-25 18:12:13,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:13,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:13,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:14,484 INFO L354 Elim1Store]: treesize reduction 880, result has 34.5 percent of original size [2021-11-25 18:12:14,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1271 treesize of output 1285 [2021-11-25 18:12:14,517 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:14,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:14,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:14,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:14,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:15,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:15,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:15,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:15,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:15,145 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:12:15,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1250 treesize of output 1038 [2021-11-25 18:12:15,180 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:15,257 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:15,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:15,346 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:15,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:15,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:15,402 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 1173 treesize of output 817 [2021-11-25 18:12:15,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:15,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:15,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:15,616 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:15,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:15,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:15,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:15,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:15,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:15,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:15,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:15,937 INFO L244 Elim1Store]: Index analysis took 180 ms [2021-11-25 18:12:16,286 INFO L354 Elim1Store]: treesize reduction 6, result has 97.7 percent of original size [2021-11-25 18:12:16,286 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 2 case distinctions, treesize of input 1259 treesize of output 1081 [2021-11-25 18:12:16,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,499 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:16,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:16,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:16,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:16,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:16,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 1182 treesize of output 820 [2021-11-25 18:12:16,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,717 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,886 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,946 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:16,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:17,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:17,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:17,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:17,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:17,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1250 treesize of output 820 [2021-11-25 18:12:17,082 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,176 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,249 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,274 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,374 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,399 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,489 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,517 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,910 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:17,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:18,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:18,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:18,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1250 treesize of output 820 [2021-11-25 18:12:18,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,179 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,274 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,300 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,455 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:18,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:18,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:18,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:18,683 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-11-25 18:12:19,107 INFO L354 Elim1Store]: treesize reduction 798, result has 33.4 percent of original size [2021-11-25 18:12:19,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1259 treesize of output 1223 [2021-11-25 18:12:19,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:19,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:19,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:19,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:19,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 794 treesize of output 362 [2021-11-25 18:12:19,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,439 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,468 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,494 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,543 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:19,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:19,690 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 785 treesize of output 359 [2021-11-25 18:12:19,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:19,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:12:19,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:19,905 INFO L354 Elim1Store]: treesize reduction 790, result has 0.1 percent of original size [2021-11-25 18:12:19,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1250 treesize of output 820 [2021-11-25 18:12:19,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,297 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,390 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,452 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,500 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,523 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:20,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:21,230 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:12:21,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 18:12:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:21,405 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-25 18:12:21,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 18:12:21,448 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:21,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:21,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:21,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:21,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-11-25 18:12:21,602 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:21,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:12:23,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:23,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:12:23,789 INFO L190 IndexEqualityManager]: detected not equals via solver