./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 816e37c4bcf3aac0429d508c13e4e6eeab848e29c3869a32879e05a2b79a73a3 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:11:44,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:11:44,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:11:44,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:11:44,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:11:44,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:11:44,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:11:44,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:11:44,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:11:44,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:11:44,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:11:44,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:11:44,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:11:44,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:11:44,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:11:44,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:11:44,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:11:44,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:11:44,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:11:44,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:11:44,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:11:44,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:11:44,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:11:44,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:11:44,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:11:44,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:11:44,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:11:44,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:11:44,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:11:44,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:11:44,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:11:44,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:11:44,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:11:44,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:11:44,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:11:44,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:11:44,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:11:44,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:11:44,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:11:44,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:11:44,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:11:44,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:11:44,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:11:44,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:11:44,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:11:44,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:11:44,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:11:44,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:11:44,710 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:11:44,711 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:11:44,711 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:11:44,711 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:11:44,712 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:11:44,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:11:44,712 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:11:44,713 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:11:44,713 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:11:44,713 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:11:44,713 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:11:44,713 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:11:44,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:11:44,714 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:11:44,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:11:44,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:11:44,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:11:44,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:11:44,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:11:44,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:11:44,717 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:11:44,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:11:44,717 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:11:44,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:11:44,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:11:44,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:11:44,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:11:44,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:11:44,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:11:44,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:11:44,730 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:11:44,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:11:44,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:11:44,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:11:44,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:11:44,731 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 816e37c4bcf3aac0429d508c13e4e6eeab848e29c3869a32879e05a2b79a73a3 [2021-11-25 18:11:44,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:11:45,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:11:45,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:11:45,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:11:45,023 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:11:45,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i [2021-11-25 18:11:45,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/data/4a36dae74/c23b7dc088b5494c8debf674f493a97c/FLAG9d0b33c25 [2021-11-25 18:11:45,667 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:11:45,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i [2021-11-25 18:11:45,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/data/4a36dae74/c23b7dc088b5494c8debf674f493a97c/FLAG9d0b33c25 [2021-11-25 18:11:45,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/data/4a36dae74/c23b7dc088b5494c8debf674f493a97c [2021-11-25 18:11:45,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:11:45,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:11:45,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:11:45,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:11:45,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:11:45,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:11:45" (1/1) ... [2021-11-25 18:11:45,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f840df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:45, skipping insertion in model container [2021-11-25 18:11:45,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:11:45" (1/1) ... [2021-11-25 18:11:45,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:11:46,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:11:46,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[37019,37032] [2021-11-25 18:11:46,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[47352,47365] [2021-11-25 18:11:46,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:11:46,559 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:11:46,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[37019,37032] [2021-11-25 18:11:46,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[47352,47365] [2021-11-25 18:11:46,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:11:46,744 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:11:46,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46 WrapperNode [2021-11-25 18:11:46,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:11:46,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:11:46,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:11:46,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:11:46,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46" (1/1) ... [2021-11-25 18:11:46,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46" (1/1) ... [2021-11-25 18:11:46,908 INFO L137 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1039 [2021-11-25 18:11:46,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:11:46,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:11:46,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:11:46,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:11:46,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46" (1/1) ... [2021-11-25 18:11:46,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46" (1/1) ... [2021-11-25 18:11:46,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46" (1/1) ... [2021-11-25 18:11:46,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46" (1/1) ... [2021-11-25 18:11:47,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46" (1/1) ... [2021-11-25 18:11:47,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46" (1/1) ... [2021-11-25 18:11:47,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46" (1/1) ... [2021-11-25 18:11:47,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:11:47,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:11:47,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:11:47,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:11:47,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46" (1/1) ... [2021-11-25 18:11:47,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:11:47,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:11:47,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:11:47,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:11:47,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:11:47,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:11:47,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:11:47,155 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:11:47,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:11:47,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:11:47,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:11:47,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:11:47,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:11:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:11:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:11:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:11:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:11:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:11:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:11:47,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:11:47,343 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:11:47,345 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:11:48,550 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:11:48,868 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:11:48,869 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 18:11:48,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:11:48 BoogieIcfgContainer [2021-11-25 18:11:48,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:11:48,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:11:48,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:11:48,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:11:48,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:11:45" (1/3) ... [2021-11-25 18:11:48,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483b8549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:11:48, skipping insertion in model container [2021-11-25 18:11:48,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:11:46" (2/3) ... [2021-11-25 18:11:48,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483b8549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:11:48, skipping insertion in model container [2021-11-25 18:11:48,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:11:48" (3/3) ... [2021-11-25 18:11:48,881 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test2-2.i [2021-11-25 18:11:48,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:11:48,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:11:48,950 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:11:48,966 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:11:48,969 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:11:48,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:11:48,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 18:11:48,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:11:48,999 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:11:48,999 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:11:49,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:11:49,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1967387469, now seen corresponding path program 1 times [2021-11-25 18:11:49,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:11:49,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235602349] [2021-11-25 18:11:49,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:49,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:11:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:11:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:11:49,208 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:11:49,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235602349] [2021-11-25 18:11:49,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235602349] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:11:49,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:11:49,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:11:49,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619043821] [2021-11-25 18:11:49,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:11:49,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:11:49,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:11:49,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:11:49,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:11:49,251 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:11:51,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:11:51,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:11:51,226 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2021-11-25 18:11:51,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:11:51,258 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 18:11:51,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:11:51,268 INFO L225 Difference]: With dead ends: 245 [2021-11-25 18:11:51,268 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 18:11:51,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:11:51,274 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:11:51,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:11:51,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 18:11:51,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 18:11:51,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:11:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2021-11-25 18:11:51,358 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2021-11-25 18:11:51,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:11:51,358 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2021-11-25 18:11:51,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:11:51,359 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2021-11-25 18:11:51,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 18:11:51,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:11:51,361 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:11:51,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:11:51,362 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:11:51,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:11:51,363 INFO L85 PathProgramCache]: Analyzing trace with hash 666058235, now seen corresponding path program 1 times [2021-11-25 18:11:51,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:11:51,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854650366] [2021-11-25 18:11:51,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:51,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:11:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:11:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:11:51,498 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:11:51,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854650366] [2021-11-25 18:11:51,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854650366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:11:51,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:11:51,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:11:51,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223889534] [2021-11-25 18:11:51,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:11:51,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:11:51,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:11:51,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:11:51,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:11:51,508 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:11:52,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:11:52,568 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2021-11-25 18:11:52,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:11:52,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-25 18:11:52,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:11:52,576 INFO L225 Difference]: With dead ends: 222 [2021-11-25 18:11:52,576 INFO L226 Difference]: Without dead ends: 168 [2021-11-25 18:11:52,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:11:52,579 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:11:52,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 319 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:11:52,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-25 18:11:52,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2021-11-25 18:11:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:11:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2021-11-25 18:11:52,596 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2021-11-25 18:11:52,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:11:52,597 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2021-11-25 18:11:52,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:11:52,597 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2021-11-25 18:11:52,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 18:11:52,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:11:52,599 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:11:52,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:11:52,600 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:11:52,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:11:52,600 INFO L85 PathProgramCache]: Analyzing trace with hash -148459342, now seen corresponding path program 1 times [2021-11-25 18:11:52,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:11:52,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484610044] [2021-11-25 18:11:52,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:52,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:11:52,727 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:11:52,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [916832536] [2021-11-25 18:11:52,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:52,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:11:52,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:11:52,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:11:52,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:11:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:11:53,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:11:53,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:11:53,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:11:53,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:11:53,667 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:11:53,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484610044] [2021-11-25 18:11:53,667 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:11:53,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916832536] [2021-11-25 18:11:53,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916832536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:11:53,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:11:53,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:11:53,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127080009] [2021-11-25 18:11:53,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:11:53,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:11:53,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:11:53,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:11:53,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:11:53,670 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:11:55,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:11:57,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:11:57,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:11:57,263 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2021-11-25 18:11:57,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:11:57,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-25 18:11:57,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:11:57,289 INFO L225 Difference]: With dead ends: 260 [2021-11-25 18:11:57,290 INFO L226 Difference]: Without dead ends: 154 [2021-11-25 18:11:57,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:11:57,292 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 43 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:11:57,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 18:11:57,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-25 18:11:57,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2021-11-25 18:11:57,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:11:57,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2021-11-25 18:11:57,309 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2021-11-25 18:11:57,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:11:57,309 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2021-11-25 18:11:57,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:11:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2021-11-25 18:11:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 18:11:57,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:11:57,312 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:11:57,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:11:57,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:11:57,534 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:11:57,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:11:57,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2144184370, now seen corresponding path program 1 times [2021-11-25 18:11:57,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:11:57,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734278793] [2021-11-25 18:11:57,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:57,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:11:57,588 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:11:57,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1223278601] [2021-11-25 18:11:57,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:57,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:11:57,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:11:57,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:11:57,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:11:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:11:58,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:11:58,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:11:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:11:58,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:11:58,277 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:11:58,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734278793] [2021-11-25 18:11:58,281 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:11:58,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223278601] [2021-11-25 18:11:58,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223278601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:11:58,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:11:58,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:11:58,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249829869] [2021-11-25 18:11:58,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:11:58,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:11:58,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:11:58,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:11:58,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:11:58,284 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:11:59,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:11:59,072 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2021-11-25 18:11:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:11:59,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-25 18:11:59,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:11:59,075 INFO L225 Difference]: With dead ends: 258 [2021-11-25 18:11:59,075 INFO L226 Difference]: Without dead ends: 122 [2021-11-25 18:11:59,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:11:59,077 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:11:59,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 156 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:11:59,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-25 18:11:59,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-25 18:11:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:11:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2021-11-25 18:11:59,098 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2021-11-25 18:11:59,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:11:59,099 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2021-11-25 18:11:59,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:11:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2021-11-25 18:11:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 18:11:59,101 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:11:59,102 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:11:59,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:11:59,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:11:59,324 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:11:59,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:11:59,324 INFO L85 PathProgramCache]: Analyzing trace with hash 427509094, now seen corresponding path program 1 times [2021-11-25 18:11:59,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:11:59,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056084406] [2021-11-25 18:11:59,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:59,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:11:59,392 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:11:59,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1735167370] [2021-11-25 18:11:59,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:11:59,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:11:59,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:11:59,398 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:11:59,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:12:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:12:01,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:12:01,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:12:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 18:12:01,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:12:01,400 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:12:01,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056084406] [2021-11-25 18:12:01,400 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:12:01,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735167370] [2021-11-25 18:12:01,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735167370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:12:01,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:12:01,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:12:01,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995407574] [2021-11-25 18:12:01,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:12:01,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:12:01,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:12:01,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:12:01,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:12:01,404 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:12:04,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:12:04,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:12:04,349 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2021-11-25 18:12:04,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:12:04,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 18:12:04,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:12:04,357 INFO L225 Difference]: With dead ends: 227 [2021-11-25 18:12:04,357 INFO L226 Difference]: Without dead ends: 124 [2021-11-25 18:12:04,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:12:04,358 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:12:04,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 18:12:04,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-25 18:12:04,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-25 18:12:04,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-25 18:12:04,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2021-11-25 18:12:04,370 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2021-11-25 18:12:04,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:12:04,371 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2021-11-25 18:12:04,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:12:04,371 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2021-11-25 18:12:04,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 18:12:04,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:12:04,375 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:12:04,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-25 18:12:04,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:12:04,591 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:12:04,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:12:04,592 INFO L85 PathProgramCache]: Analyzing trace with hash -64659160, now seen corresponding path program 1 times [2021-11-25 18:12:04,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:12:04,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950494071] [2021-11-25 18:12:04,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:12:04,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:12:04,655 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:12:04,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1633847689] [2021-11-25 18:12:04,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:12:04,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:12:04,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:12:04,676 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:12:04,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a7003c-1a0e-4ab3-b658-aebf043a4898/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:13:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:13:09,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:13:10,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:13:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 18:13:10,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:13:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:13:10,409 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:13:10,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950494071] [2021-11-25 18:13:10,409 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:13:10,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633847689] [2021-11-25 18:13:10,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633847689] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:13:10,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [724876747] [2021-11-25 18:13:10,431 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 18:13:10,432 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:13:10,436 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:13:10,441 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:13:10,442 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:13:10,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:13:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 18:13:10,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:13:10,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,678 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:13:10,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 18:13:10,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:13:10,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,773 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:13:10,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-25 18:13:10,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:13:10,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:13:10,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,866 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:13:10,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:13:10,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:10,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 18:13:11,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 18:13:11,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-25 18:13:11,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:13:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:13:11,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:13:11,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:13:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:13:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:13:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:13:11,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:13:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:13:11,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:13:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 18:13:11,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:13:11,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:13:11,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:13:11,826 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 18:13:11,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 60 [2021-11-25 18:13:11,857 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:13:11,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2021-11-25 18:13:11,887 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:13:11,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 18:13:11,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:13:11,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:13:11,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:13:11,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:11,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:13:12,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:13:12,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:13:12,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:13:12,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:13:12,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:12,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:13:18,181 WARN L227 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:13:18,182 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:13:18,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:13:18,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:29,479 WARN L227 SmtUtils]: Spent 11.15s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:13:29,480 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:13:29,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:13:29,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:30,028 INFO L244 Elim1Store]: Index analysis took 355 ms [2021-11-25 18:13:42,177 WARN L227 SmtUtils]: Spent 11.75s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:13:42,179 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:13:42,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:13:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:42,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:42,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:42,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:42,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:42,944 INFO L244 Elim1Store]: Index analysis took 277 ms [2021-11-25 18:13:42,957 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:13:42,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:13:43,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,339 INFO L244 Elim1Store]: Index analysis took 202 ms [2021-11-25 18:13:43,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 18:13:43,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:43,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:43,967 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:13:43,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:13:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:44,316 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:13:44,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:13:44,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:44,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-25 18:13:44,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:44,949 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 18:13:44,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 18:13:45,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:45,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:45,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:45,271 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:13:45,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1194 treesize of output 1010 [2021-11-25 18:13:45,341 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:45,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:45,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:45,448 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:45,479 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:45,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:45,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:45,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:45,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:45,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:45,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:45,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:45,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:45,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:45,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:45,913 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-11-25 18:13:46,364 INFO L354 Elim1Store]: treesize reduction 224, result has 51.4 percent of original size [2021-11-25 18:13:46,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1271 treesize of output 1059 [2021-11-25 18:13:46,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:46,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:46,589 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:46,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:46,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:46,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:46,784 INFO L244 Elim1Store]: Index analysis took 128 ms [2021-11-25 18:13:46,979 INFO L354 Elim1Store]: treesize reduction 203, result has 48.3 percent of original size [2021-11-25 18:13:46,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1203 treesize of output 1013 [2021-11-25 18:13:47,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:47,087 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:47,127 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:47,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:47,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:47,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:47,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:47,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:47,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,516 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-11-25 18:13:47,618 INFO L354 Elim1Store]: treesize reduction 6, result has 66.7 percent of original size [2021-11-25 18:13:47,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 815 treesize of output 377 [2021-11-25 18:13:47,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:47,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:47,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:47,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:47,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-25 18:13:47,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:47,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:47,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:47,995 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-25 18:13:47,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-25 18:13:48,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:48,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:48,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:48,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:48,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:48,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:48,160 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-11-25 18:13:48,454 INFO L354 Elim1Store]: treesize reduction 18, result has 84.6 percent of original size [2021-11-25 18:13:48,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 815 treesize of output 463 [2021-11-25 18:13:48,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:48,818 INFO L244 Elim1Store]: Index analysis took 225 ms [2021-11-25 18:13:49,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:50,209 INFO L354 Elim1Store]: treesize reduction 1275, result has 30.8 percent of original size [2021-11-25 18:13:50,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1280 treesize of output 1393 [2021-11-25 18:13:50,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:50,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:50,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:50,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:50,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1194 treesize of output 820 [2021-11-25 18:13:50,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:50,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:50,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:50,671 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:50,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:50,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:50,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:50,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:50,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:50,904 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 18:13:50,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 806 treesize of output 408 [2021-11-25 18:13:50,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:50,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:51,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:51,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:51,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:51,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:51,181 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-11-25 18:13:51,694 INFO L354 Elim1Store]: treesize reduction 796, result has 34.6 percent of original size [2021-11-25 18:13:51,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1271 treesize of output 1243 [2021-11-25 18:13:51,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:51,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:51,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:51,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:51,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1194 treesize of output 820 [2021-11-25 18:13:52,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:52,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:52,096 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:52,145 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:52,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:52,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:52,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:52,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:52,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:52,370 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 18:13:52,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 806 treesize of output 408 [2021-11-25 18:13:52,395 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:52,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:52,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:52,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:52,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:52,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 806 treesize of output 362 [2021-11-25 18:13:52,534 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:52,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:52,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:52,727 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-11-25 18:13:53,396 INFO L354 Elim1Store]: treesize reduction 880, result has 34.5 percent of original size [2021-11-25 18:13:53,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1271 treesize of output 1285 [2021-11-25 18:13:53,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:53,851 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:53,876 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:53,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:53,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:53,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:54,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:54,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:54,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:54,149 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:13:54,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1250 treesize of output 1038 [2021-11-25 18:13:54,213 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:54,292 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:54,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:54,385 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:54,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:54,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:54,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1173 treesize of output 817 [2021-11-25 18:13:54,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:54,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:54,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:54,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:54,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:54,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:54,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:54,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:54,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:54,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:54,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:54,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:55,012 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-11-25 18:13:55,414 INFO L354 Elim1Store]: treesize reduction 6, result has 97.7 percent of original size [2021-11-25 18:13:55,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1259 treesize of output 1081 [2021-11-25 18:13:55,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:55,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:55,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:55,630 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:55,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:55,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:55,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:55,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:55,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:55,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1182 treesize of output 820 [2021-11-25 18:13:55,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:55,845 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:55,892 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:55,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:55,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:56,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:56,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:56,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1250 treesize of output 820 [2021-11-25 18:13:56,385 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,485 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,563 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,610 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,713 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,836 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,876 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:56,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,018 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,280 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:57,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:57,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:57,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:57,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:57,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1250 treesize of output 820 [2021-11-25 18:13:57,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,634 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,729 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,899 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:57,970 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:58,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:58,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:58,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:58,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:58,236 INFO L244 Elim1Store]: Index analysis took 174 ms [2021-11-25 18:13:58,713 INFO L354 Elim1Store]: treesize reduction 798, result has 33.4 percent of original size [2021-11-25 18:13:58,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1259 treesize of output 1223 [2021-11-25 18:13:58,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:58,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:58,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:58,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:58,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:58,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:58,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 794 treesize of output 362 [2021-11-25 18:13:58,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:58,959 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:58,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,091 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,127 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,261 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:59,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:59,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 785 treesize of output 359 [2021-11-25 18:13:59,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:13:59,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:13:59,577 INFO L354 Elim1Store]: treesize reduction 790, result has 0.1 percent of original size [2021-11-25 18:13:59,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1250 treesize of output 820 [2021-11-25 18:13:59,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:13:59,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:00,008 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:00,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:00,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:00,107 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:00,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:00,159 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:00,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:00,227 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:00,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:00,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:00,844 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:14:00,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 18:14:00,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:00,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:00,993 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-25 18:14:00,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 18:14:01,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:01,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:01,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:01,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:01,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-11-25 18:14:01,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:01,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:14:03,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:03,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:14:03,348 INFO L190 IndexEqualityManager]: detected not equals via solver