./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur --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 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:16:41,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:16:41,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:16:41,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:16:41,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:16:41,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:16:41,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:16:41,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:16:41,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:16:41,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:16:41,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:16:41,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:16:41,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:16:41,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:16:41,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:16:41,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:16:41,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:16:41,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:16:41,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:16:41,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:16:41,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:16:41,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:16:41,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:16:41,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:16:41,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:16:41,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:16:41,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:16:41,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:16:41,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:16:41,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:16:41,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:16:41,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:16:41,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:16:41,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:16:41,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:16:41,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:16:41,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:16:41,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:16:41,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:16:41,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:16:41,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:16:41,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:16:41,495 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:16:41,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:16:41,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:16:41,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:16:41,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:16:41,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:16:41,497 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:16:41,498 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:16:41,498 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:16:41,498 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:16:41,499 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:16:41,499 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:16:41,500 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:16:41,500 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:16:41,500 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:16:41,500 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:16:41,500 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:16:41,501 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:16:41,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:16:41,502 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:16:41,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:16:41,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:16:41,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:16:41,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:16:41,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:16:41,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:16:41,504 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:16:41,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:16:41,504 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:16:41,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:16:41,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:16:41,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:16:41,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:16:41,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:16:41,506 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:16:41,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:16:41,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:16:41,506 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:16:41,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:16:41,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:16:41,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:16:41,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 [2022-11-25 23:16:41,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:16:41,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:16:41,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:16:41,866 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:16:41,866 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:16:41,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2022-11-25 23:16:44,887 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:16:45,379 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:16:45,380 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2022-11-25 23:16:45,408 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/data/e67b6e53e/f0ab2f3a139440e79ef408ca050e5cdd/FLAG24f9a6480 [2022-11-25 23:16:45,423 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/data/e67b6e53e/f0ab2f3a139440e79ef408ca050e5cdd [2022-11-25 23:16:45,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:16:45,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:16:45,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:45,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:16:45,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:16:45,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:45" (1/1) ... [2022-11-25 23:16:45,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c545b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:45, skipping insertion in model container [2022-11-25 23:16:45,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:45" (1/1) ... [2022-11-25 23:16:45,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:16:45,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:16:46,075 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2022-11-25 23:16:46,392 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:16:46,396 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2022-11-25 23:16:46,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:16:46,415 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:16:46,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2022-11-25 23:16:46,613 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:16:46,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2022-11-25 23:16:46,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:16:46,652 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:16:46,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46 WrapperNode [2022-11-25 23:16:46,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:46,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:16:46,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:16:46,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:16:46,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (1/1) ... [2022-11-25 23:16:46,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (1/1) ... [2022-11-25 23:16:46,862 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-25 23:16:46,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:16:46,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:16:46,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:16:46,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:16:46,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (1/1) ... [2022-11-25 23:16:46,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (1/1) ... [2022-11-25 23:16:46,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (1/1) ... [2022-11-25 23:16:46,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (1/1) ... [2022-11-25 23:16:46,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (1/1) ... [2022-11-25 23:16:46,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (1/1) ... [2022-11-25 23:16:46,973 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (1/1) ... [2022-11-25 23:16:46,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (1/1) ... [2022-11-25 23:16:46,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:16:46,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:16:46,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:16:46,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:16:46,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (1/1) ... [2022-11-25 23:16:47,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:16:47,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:47,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:16:47,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:16:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:16:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:16:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:16:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:16:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:16:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:16:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:16:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:16:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:16:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:16:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:16:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:16:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:16:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:16:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:16:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:16:47,376 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:16:47,378 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:16:50,278 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:16:50,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:16:50,794 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-25 23:16:50,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:16:50 BoogieIcfgContainer [2022-11-25 23:16:50,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:16:50,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:16:50,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:16:50,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:16:50,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:16:45" (1/3) ... [2022-11-25 23:16:50,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3268358b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:16:50, skipping insertion in model container [2022-11-25 23:16:50,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:46" (2/3) ... [2022-11-25 23:16:50,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3268358b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:16:50, skipping insertion in model container [2022-11-25 23:16:50,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:16:50" (3/3) ... [2022-11-25 23:16:50,812 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-1.i [2022-11-25 23:16:50,832 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:16:50,832 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:16:50,930 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:16:50,938 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@74cb152c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:16:50,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:16:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 23:16:50,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:16:50,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:50,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:50,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:16:50,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:50,964 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-25 23:16:50,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:50,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051711929] [2022-11-25 23:16:50,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:50,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:51,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:51,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051711929] [2022-11-25 23:16:51,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051711929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:16:51,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:16:51,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:16:51,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572195311] [2022-11-25 23:16:51,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:16:51,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:16:51,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:51,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:16:51,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:16:51,266 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) 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) [2022-11-25 23:16:52,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:52,186 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-25 23:16:52,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:16:52,201 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 [2022-11-25 23:16:52,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:52,245 INFO L225 Difference]: With dead ends: 2197 [2022-11-25 23:16:52,253 INFO L226 Difference]: Without dead ends: 1097 [2022-11-25 23:16:52,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:16:52,269 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:52,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 23:16:52,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-25 23:16:52,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-25 23:16:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 23:16:52,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-25 23:16:52,705 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-25 23:16:52,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:52,705 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-25 23:16:52,706 INFO L496 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) [2022-11-25 23:16:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-25 23:16:52,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 23:16:52,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:52,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:52,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:16:52,709 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:16:52,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:52,710 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-25 23:16:52,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:52,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379569619] [2022-11-25 23:16:52,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:52,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:53,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:53,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379569619] [2022-11-25 23:16:53,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379569619] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:16:53,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:16:53,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:16:53,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735020612] [2022-11-25 23:16:53,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:16:53,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:16:53,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:53,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:16:53,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:16:53,185 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 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) [2022-11-25 23:16:55,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:55,505 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-25 23:16:55,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:16:55,509 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 [2022-11-25 23:16:55,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:55,526 INFO L225 Difference]: With dead ends: 3192 [2022-11-25 23:16:55,526 INFO L226 Difference]: Without dead ends: 2148 [2022-11-25 23:16:55,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:16:55,534 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:55,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 23:16:55,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-25 23:16:56,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-25 23:16:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 23:16:56,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-25 23:16:56,194 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-25 23:16:56,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:56,195 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-25 23:16:56,195 INFO L496 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) [2022-11-25 23:16:56,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-25 23:16:56,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 23:16:56,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:56,198 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:56,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:16:56,202 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:16:56,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:56,212 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-25 23:16:56,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:56,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911550203] [2022-11-25 23:16:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:56,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:56,358 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:16:56,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1933870219] [2022-11-25 23:16:56,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:56,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:56,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:56,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:56,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:16:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:57,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:16:57,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:57,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:16:57,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:57,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911550203] [2022-11-25 23:16:57,225 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:16:57,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933870219] [2022-11-25 23:16:57,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933870219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:16:57,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:16:57,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:16:57,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774822543] [2022-11-25 23:16:57,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:16:57,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:16:57,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:57,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:16:57,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:16:57,233 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 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) [2022-11-25 23:16:58,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:58,627 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-25 23:16:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:16:58,636 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 [2022-11-25 23:16:58,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:58,651 INFO L225 Difference]: With dead ends: 3230 [2022-11-25 23:16:58,652 INFO L226 Difference]: Without dead ends: 2134 [2022-11-25 23:16:58,658 INFO L412 NwaCegarLoop]: 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 [2022-11-25 23:16:58,662 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:58,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 23:16:58,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-25 23:16:59,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-25 23:16:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-25 23:16:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-25 23:16:59,215 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-25 23:16:59,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:59,217 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-25 23:16:59,217 INFO L496 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) [2022-11-25 23:16:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-25 23:16:59,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 23:16:59,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:59,230 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:59,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:59,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:59,440 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:16:59,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:59,441 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-25 23:16:59,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:59,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023599008] [2022-11-25 23:16:59,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:59,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:59,537 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:16:59,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [792021668] [2022-11-25 23:16:59,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:59,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:59,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:59,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:59,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:17:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:17:00,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:17:00,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:17:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:17:00,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:17:00,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:17:00,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023599008] [2022-11-25 23:17:00,263 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:17:00,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792021668] [2022-11-25 23:17:00,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792021668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:17:00,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:17:00,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:17:00,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70900593] [2022-11-25 23:17:00,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:17:00,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:17:00,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:17:00,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:17:00,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:17:00,267 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:17:02,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:17:02,785 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-25 23:17:02,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:17:02,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-25 23:17:02,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:17:02,794 INFO L225 Difference]: With dead ends: 3228 [2022-11-25 23:17:02,794 INFO L226 Difference]: Without dead ends: 1112 [2022-11-25 23:17:02,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:17:02,806 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:17:02,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 23:17:02,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-25 23:17:03,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-25 23:17:03,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 23:17:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-25 23:17:03,053 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-25 23:17:03,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:17:03,054 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-25 23:17:03,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:17:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-25 23:17:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 23:17:03,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:17:03,056 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:17:03,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:17:03,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:17:03,271 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:17:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:17:03,272 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-25 23:17:03,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:17:03,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95593214] [2022-11-25 23:17:03,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:17:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:17:03,365 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:17:03,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2022991478] [2022-11-25 23:17:03,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:17:03,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:17:03,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:17:03,367 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:17:03,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:17:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:17:19,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:17:19,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:17:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:17:19,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:17:19,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:17:19,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95593214] [2022-11-25 23:17:19,388 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:17:19,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022991478] [2022-11-25 23:17:19,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022991478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:17:19,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:17:19,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:17:19,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040589910] [2022-11-25 23:17:19,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:17:19,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:17:19,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:17:19,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:17:19,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:17:19,391 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:17:21,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:17:21,026 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-25 23:17:21,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:17:21,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-11-25 23:17:21,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:17:21,039 INFO L225 Difference]: With dead ends: 2207 [2022-11-25 23:17:21,039 INFO L226 Difference]: Without dead ends: 1114 [2022-11-25 23:17:21,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:17:21,048 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:17:21,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 23:17:21,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-25 23:17:21,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-25 23:17:21,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-11-25 23:17:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-25 23:17:21,322 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-25 23:17:21,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:17:21,324 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-25 23:17:21,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:17:21,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-25 23:17:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 23:17:21,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:17:21,326 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:17:21,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:17:21,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:17:21,543 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:17:21,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:17:21,544 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-25 23:17:21,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:17:21,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455959982] [2022-11-25 23:17:21,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:17:21,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:17:21,617 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:17:21,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1780873870] [2022-11-25 23:17:21,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:17:21,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:17:21,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:17:21,621 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:17:21,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e67915-a134-4d98-83f0-ed1beabf281c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:18:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:11,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 23:18:11,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:11,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:18:11,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:18:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:18:11,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:11,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455959982] [2022-11-25 23:18:11,643 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:18:11,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780873870] [2022-11-25 23:18:11,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780873870] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:18:11,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [550148625] [2022-11-25 23:18:11,668 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-25 23:18:11,668 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:18:11,672 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:18:11,678 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:18:11,679 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:18:11,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:18:11,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:11,807 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:18:11,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-25 23:18:11,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:11,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:18:11,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:11,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-25 23:18:11,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:18:11,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:11,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:11,902 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:18:11,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-25 23:18:11,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:11,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:11,965 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:18:11,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:18:11,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-25 23:18:12,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:18:12,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:18:12,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:18:12,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-25 23:18:12,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-25 23:18:12,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:18:12,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:18:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:18:12,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:18:12,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:18:12,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:12,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:18:13,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:18:13,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:18:13,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,182 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 23:18:13,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-25 23:18:13,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,270 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:18:13,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-25 23:18:13,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:18:13,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 23:18:13,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 23:18:13,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 23:18:13,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 23:18:13,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-25 23:18:13,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 23:18:13,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 23:18:13,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:18:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:18:13,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 23:18:13,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 23:18:13,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:13,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:18:13,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 23:18:13,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 23:18:14,965 INFO L217 Elim1Store]: Index analysis took 700 ms [2022-11-25 23:18:19,112 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-25 23:18:19,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-25 23:18:21,535 INFO L217 Elim1Store]: Index analysis took 2136 ms [2022-11-25 23:18:22,392 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-25 23:18:22,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-25 23:18:29,169 WARN L233 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:18:29,170 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 23:18:29,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-25 23:18:29,542 INFO L217 Elim1Store]: Index analysis took 197 ms [2022-11-25 23:18:49,622 WARN L233 SmtUtils]: Spent 20.08s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:18:49,623 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 23:18:49,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-25 23:18:51,264 INFO L217 Elim1Store]: Index analysis took 1016 ms [2022-11-25 23:19:17,583 WARN L233 SmtUtils]: Spent 25.78s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:19:17,584 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-25 23:19:17,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-11-25 23:19:19,494 INFO L217 Elim1Store]: Index analysis took 152 ms [2022-11-25 23:19:19,996 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 23:19:19,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-25 23:19:20,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-25 23:19:20,652 INFO L217 Elim1Store]: Index analysis took 312 ms [2022-11-25 23:19:21,321 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:19:21,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-25 23:19:21,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:22,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-25 23:19:22,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:22,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 23:19:22,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:22,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 23:19:22,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:22,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 23:19:22,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:22,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 23:19:24,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:24,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:24,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 23:19:24,864 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:19:25,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:25,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 23:19:25,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:25,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:19:25,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 23:19:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:25,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:19:26,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:26,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:19:26,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:26,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:19:27,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:27,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 23:19:38,731 INFO L217 Elim1Store]: Index analysis took 1500 ms [2022-11-25 23:29:21,548 WARN L233 SmtUtils]: Spent 9.71m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:29:21,549 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-25 23:29:21,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-11-25 23:30:18,503 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:30:19,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:19,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:19,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:19,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:19,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:25,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:25,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:25,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:25,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:25,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:25,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:25,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:25,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:30,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:30,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:30,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:30,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:58,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:58,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:58,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:58,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:58,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:58,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:58,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:15,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:15,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:15,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:15,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:20,371 INFO L217 Elim1Store]: Index analysis took 60976 ms [2022-11-25 23:31:20,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-25 23:31:21,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:21,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:21,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:21,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:21,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:26,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:26,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:26,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:26,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:26,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:26,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:26,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:26,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:31,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:31,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:31,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:31,826 INFO L173 IndexEqualityManager]: detected equality via solver