./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:39:56,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:39:56,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:39:56,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:39:56,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:39:56,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:39:56,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:39:56,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:39:56,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:39:56,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:39:56,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:39:56,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:39:56,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:39:56,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:39:56,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:39:56,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:39:56,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:39:56,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:39:56,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:39:56,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:39:56,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:39:56,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:39:56,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:39:56,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:39:56,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:39:56,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:39:56,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:39:56,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:39:56,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:39:56,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:39:56,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:39:56,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:39:56,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:39:56,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:39:56,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:39:56,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:39:56,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:39:56,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:39:56,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:39:56,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:39:56,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:39:56,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:39:56,854 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:39:56,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:39:56,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:39:56,854 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:39:56,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:39:56,855 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:39:56,856 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:39:56,856 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:39:56,856 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:39:56,856 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:39:56,856 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:39:56,857 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:39:56,857 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:39:56,857 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:39:56,857 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:39:56,857 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:39:56,858 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:39:56,858 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:39:56,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:39:56,859 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:39:56,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:39:56,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:39:56,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:39:56,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:39:56,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:39:56,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:39:56,860 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:39:56,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:39:56,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:39:56,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:39:56,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:39:56,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:39:56,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:39:56,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:39:56,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:39:56,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:39:56,863 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:39:56,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:39:56,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:39:56,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:39:56,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:39:56,864 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_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 [2021-11-21 00:39:57,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:39:57,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:39:57,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:39:57,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:39:57,213 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:39:57,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2021-11-21 00:39:57,285 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/data/78146bc35/0688b74cdfc247438b41fe2b82e027e4/FLAG60b356d18 [2021-11-21 00:39:57,949 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:39:57,949 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2021-11-21 00:39:57,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/data/78146bc35/0688b74cdfc247438b41fe2b82e027e4/FLAG60b356d18 [2021-11-21 00:39:58,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/data/78146bc35/0688b74cdfc247438b41fe2b82e027e4 [2021-11-21 00:39:58,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:39:58,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:39:58,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:39:58,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:39:58,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:39:58,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:39:58" (1/1) ... [2021-11-21 00:39:58,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673ae86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:58, skipping insertion in model container [2021-11-21 00:39:58,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:39:58" (1/1) ... [2021-11-21 00:39:58,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:39:58,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:39:58,751 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_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2021-11-21 00:39:58,855 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_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2021-11-21 00:39:58,856 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_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2021-11-21 00:39:58,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:39:58,885 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:39:58,929 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_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2021-11-21 00:39:59,032 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_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2021-11-21 00:39:59,033 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_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2021-11-21 00:39:59,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:39:59,083 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:39:59,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59 WrapperNode [2021-11-21 00:39:59,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:39:59,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:39:59,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:39:59,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:39:59,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59" (1/1) ... [2021-11-21 00:39:59,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59" (1/1) ... [2021-11-21 00:39:59,249 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 996 [2021-11-21 00:39:59,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:39:59,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:39:59,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:39:59,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:39:59,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59" (1/1) ... [2021-11-21 00:39:59,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59" (1/1) ... [2021-11-21 00:39:59,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59" (1/1) ... [2021-11-21 00:39:59,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59" (1/1) ... [2021-11-21 00:39:59,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59" (1/1) ... [2021-11-21 00:39:59,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59" (1/1) ... [2021-11-21 00:39:59,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59" (1/1) ... [2021-11-21 00:39:59,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:39:59,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:39:59,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:39:59,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:39:59,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59" (1/1) ... [2021-11-21 00:39:59,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:39:59,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:39:59,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:39:59,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:39:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:39:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:39:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:39:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:39:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:39:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:39:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:39:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:39:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:39:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:39:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:39:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:39:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:39:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:39:59,804 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:39:59,806 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:40:00,898 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:40:01,339 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:40:01,339 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 00:40:01,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:40:01 BoogieIcfgContainer [2021-11-21 00:40:01,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:40:01,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:40:01,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:40:01,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:40:01,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:39:58" (1/3) ... [2021-11-21 00:40:01,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a8d31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:40:01, skipping insertion in model container [2021-11-21 00:40:01,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:59" (2/3) ... [2021-11-21 00:40:01,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a8d31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:40:01, skipping insertion in model container [2021-11-21 00:40:01,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:40:01" (3/3) ... [2021-11-21 00:40:01,360 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-1.i [2021-11-21 00:40:01,367 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:40:01,367 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 00:40:01,422 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:40:01,429 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 [2021-11-21 00:40:01,430 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 00:40:01,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:40:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 00:40:01,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:01,458 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:40:01,458 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:40:01,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:01,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1906206326, now seen corresponding path program 1 times [2021-11-21 00:40:01,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:01,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640362092] [2021-11-21 00:40:01,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:01,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:40:01,644 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:01,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640362092] [2021-11-21 00:40:01,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640362092] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:01,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:01,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:40:01,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571267697] [2021-11-21 00:40:01,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:01,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 00:40:01,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:01,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 00:40:01,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:40:01,692 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:40:02,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:02,183 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2021-11-21 00:40:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 00:40:02,194 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-21 00:40:02,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:02,204 INFO L225 Difference]: With dead ends: 215 [2021-11-21 00:40:02,204 INFO L226 Difference]: Without dead ends: 107 [2021-11-21 00:40:02,208 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 [2021-11-21 00:40:02,212 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:02,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 00:40:02,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-21 00:40:02,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-21 00:40:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:40:02,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2021-11-21 00:40:02,266 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2021-11-21 00:40:02,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:02,267 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2021-11-21 00:40:02,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:40:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2021-11-21 00:40:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 00:40:02,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:02,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:40:02,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:40:02,269 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:40:02,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:02,270 INFO L85 PathProgramCache]: Analyzing trace with hash 30908713, now seen corresponding path program 1 times [2021-11-21 00:40:02,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:02,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709328652] [2021-11-21 00:40:02,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:02,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:40:02,341 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:02,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709328652] [2021-11-21 00:40:02,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709328652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:02,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:02,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:40:02,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37889394] [2021-11-21 00:40:02,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:02,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:40:02,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:02,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:40:02,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:40:02,345 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:40:04,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:04,336 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2021-11-21 00:40:04,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:40:04,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-21 00:40:04,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:04,345 INFO L225 Difference]: With dead ends: 219 [2021-11-21 00:40:04,346 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 00:40:04,347 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 [2021-11-21 00:40:04,348 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:04,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 285 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 00:40:04,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 00:40:04,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2021-11-21 00:40:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:40:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-11-21 00:40:04,367 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2021-11-21 00:40:04,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:04,368 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-11-21 00:40:04,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:40:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-11-21 00:40:04,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 00:40:04,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:04,370 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:40:04,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:40:04,371 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:40:04,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:04,372 INFO L85 PathProgramCache]: Analyzing trace with hash -667749530, now seen corresponding path program 1 times [2021-11-21 00:40:04,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:04,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107028683] [2021-11-21 00:40:04,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:04,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:04,401 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:04,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [53423678] [2021-11-21 00:40:04,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:04,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:04,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:04,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:04,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:40:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:04,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:40:04,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:04,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:40:04,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:40:04,948 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:04,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107028683] [2021-11-21 00:40:04,949 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:04,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53423678] [2021-11-21 00:40:04,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53423678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:04,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:04,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:40:04,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394969662] [2021-11-21 00:40:04,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:04,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:40:04,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:04,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:40:04,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:40:04,952 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:40:05,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:05,944 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2021-11-21 00:40:05,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:40:05,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-21 00:40:05,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:05,952 INFO L225 Difference]: With dead ends: 265 [2021-11-21 00:40:05,953 INFO L226 Difference]: Without dead ends: 159 [2021-11-21 00:40:05,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:40:05,956 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:05,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 208 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 00:40:05,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-21 00:40:05,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2021-11-21 00:40:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:40:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2021-11-21 00:40:05,992 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2021-11-21 00:40:05,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:05,993 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2021-11-21 00:40:05,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:40:05,993 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2021-11-21 00:40:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 00:40:05,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:05,995 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:40:06,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:40:06,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:06,196 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:40:06,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:06,197 INFO L85 PathProgramCache]: Analyzing trace with hash -357184176, now seen corresponding path program 1 times [2021-11-21 00:40:06,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:06,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241817193] [2021-11-21 00:40:06,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:06,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:06,223 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:06,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1508672013] [2021-11-21 00:40:06,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:06,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:06,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:06,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:06,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:40:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:06,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:40:06,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:06,636 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 [2021-11-21 00:40:06,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-21 00:40:06,692 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 00:40:06,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:40:06,693 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:06,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241817193] [2021-11-21 00:40:06,693 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:06,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508672013] [2021-11-21 00:40:06,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508672013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:06,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:06,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:40:06,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575764329] [2021-11-21 00:40:06,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:06,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:40:06,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:06,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:40:06,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:40:06,699 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:40:09,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:40:10,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:10,348 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2021-11-21 00:40:10,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:40:10,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2021-11-21 00:40:10,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:10,360 INFO L225 Difference]: With dead ends: 201 [2021-11-21 00:40:10,360 INFO L226 Difference]: Without dead ends: 197 [2021-11-21 00:40:10,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:40:10,362 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 58 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:10,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 283 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-21 00:40:10,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-21 00:40:10,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2021-11-21 00:40:10,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:40:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2021-11-21 00:40:10,396 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2021-11-21 00:40:10,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:10,400 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2021-11-21 00:40:10,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:40:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2021-11-21 00:40:10,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 00:40:10,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:10,405 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] [2021-11-21 00:40:10,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:40:10,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:10,636 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:40:10,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:10,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1806423702, now seen corresponding path program 1 times [2021-11-21 00:40:10,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:10,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459911503] [2021-11-21 00:40:10,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:10,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:10,658 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:10,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [56528625] [2021-11-21 00:40:10,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:10,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:10,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:10,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:10,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:40:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:10,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:40:10,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:40:11,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:40:11,091 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:11,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459911503] [2021-11-21 00:40:11,091 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:11,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56528625] [2021-11-21 00:40:11,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56528625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:11,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:11,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:40:11,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938594740] [2021-11-21 00:40:11,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:11,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:40:11,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:11,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:40:11,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:40:11,096 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:40:11,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:11,752 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2021-11-21 00:40:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:40:11,759 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 [2021-11-21 00:40:11,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:11,761 INFO L225 Difference]: With dead ends: 344 [2021-11-21 00:40:11,761 INFO L226 Difference]: Without dead ends: 206 [2021-11-21 00:40:11,762 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 [2021-11-21 00:40:11,763 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 227 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:11,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 175 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 00:40:11,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-21 00:40:11,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2021-11-21 00:40:11,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:40:11,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2021-11-21 00:40:11,785 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2021-11-21 00:40:11,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:11,785 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2021-11-21 00:40:11,786 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) [2021-11-21 00:40:11,786 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2021-11-21 00:40:11,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 00:40:11,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:11,788 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] [2021-11-21 00:40:11,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:40:12,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:12,005 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:40:12,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:12,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1808435595, now seen corresponding path program 1 times [2021-11-21 00:40:12,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:12,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84457300] [2021-11-21 00:40:12,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:12,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:12,029 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:12,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2112120694] [2021-11-21 00:40:12,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:12,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:12,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:12,035 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:12,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:40:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:13,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:40:13,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:40:13,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:40:13,600 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:13,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84457300] [2021-11-21 00:40:13,600 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:13,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112120694] [2021-11-21 00:40:13,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112120694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:13,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:13,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:40:13,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697721689] [2021-11-21 00:40:13,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:13,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:40:13,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:13,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:40:13,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:40:13,603 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:40:15,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:15,887 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2021-11-21 00:40:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:40:15,902 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 [2021-11-21 00:40:15,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:15,905 INFO L225 Difference]: With dead ends: 381 [2021-11-21 00:40:15,905 INFO L226 Difference]: Without dead ends: 201 [2021-11-21 00:40:15,905 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 [2021-11-21 00:40:15,906 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:15,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:40:15,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-21 00:40:15,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2021-11-21 00:40:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-21 00:40:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2021-11-21 00:40:15,924 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2021-11-21 00:40:15,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:15,925 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2021-11-21 00:40:15,925 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) [2021-11-21 00:40:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2021-11-21 00:40:15,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 00:40:15,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:15,928 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] [2021-11-21 00:40:15,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:40:16,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-21 00:40:16,136 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:40:16,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:16,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1272133155, now seen corresponding path program 1 times [2021-11-21 00:40:16,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:16,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333247455] [2021-11-21 00:40:16,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:16,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:16,170 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:16,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1465440345] [2021-11-21 00:40:16,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:16,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:16,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:16,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:16,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf9fcb-f958-486f-9e37-28e7f7c9637b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 00:40:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:17,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 00:40:17,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:17,936 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:40:17,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:40:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:40:18,236 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:18,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333247455] [2021-11-21 00:40:18,237 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:18,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465440345] [2021-11-21 00:40:18,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465440345] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:40:18,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1621620133] [2021-11-21 00:40:18,259 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-21 00:40:18,260 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:40:18,265 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:40:18,271 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:40:18,272 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:40:18,435 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 [2021-11-21 00:40:18,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,469 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:40:18,470 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 [2021-11-21 00:40:18,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:40:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,541 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 [2021-11-21 00:40:18,560 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 [2021-11-21 00:40:18,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,725 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 00:40:18,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:40:18,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2021-11-21 00:40:18,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-21 00:40:18,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-21 00:40:18,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,920 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:40:18,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 00:40:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-21 00:40:20,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-21 00:40:20,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-21 00:40:20,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-21 00:40:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 00:40:20,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 00:40:20,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 108 treesize of output 98 [2021-11-21 00:40:20,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 89 treesize of output 79 [2021-11-21 00:40:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:40:21,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:40:21,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,131 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-21 00:40:21,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 00:40:21,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,233 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-21 00:40:21,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 00:40:21,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:21,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 89 treesize of output 79 [2021-11-21 00:40:21,860 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 [2021-11-21 00:40:21,871 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 [2021-11-21 00:40:21,879 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 [2021-11-21 00:40:21,935 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:40:21,936 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 98 treesize of output 97 [2021-11-21 00:40:21,957 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 00:40:21,958 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 94 treesize of output 93 [2021-11-21 00:40:21,979 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:40:21,979 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 90 treesize of output 89 [2021-11-21 00:40:22,038 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 [2021-11-21 00:40:22,049 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 [2021-11-21 00:40:22,058 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 [2021-11-21 00:40:22,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 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 [2021-11-21 00:40:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:40:22,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:40:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:40:22,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 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 [2021-11-21 00:40:22,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:22,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:40:31,202 WARN L227 SmtUtils]: Spent 8.39s 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) [2021-11-21 00:40:31,203 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:40:31,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:40:31,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:41,205 WARN L227 SmtUtils]: Spent 9.96s 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) [2021-11-21 00:40:41,206 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:40:41,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:40:53,893 WARN L227 SmtUtils]: Spent 12.57s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:40:53,894 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 00:40:53,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 00:40:54,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:54,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:54,808 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:40:54,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25950 treesize of output 25964 [2021-11-21 00:40:54,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:54,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:54,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:55,849 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 00:40:55,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25949 treesize of output 25964 [2021-11-21 00:40:57,381 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:40:57,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:57,688 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 00:40:57,688 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 46 treesize of output 30 [2021-11-21 00:40:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:58,241 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 00:40:58,241 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 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-21 00:40:59,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:40:59,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:40:59,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:40:59,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,134 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-21 00:40:59,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1241 treesize of output 791 [2021-11-21 00:40:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:40:59,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:40:59,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1243 treesize of output 795 [2021-11-21 00:41:00,179 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:00,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:00,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1243 treesize of output 795 [2021-11-21 00:41:00,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:01,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:01,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:01,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:01,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:01,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,234 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-11-21 00:41:01,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1252 treesize of output 798 [2021-11-21 00:41:01,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,772 INFO L244 Elim1Store]: Index analysis took 174 ms [2021-11-21 00:41:03,030 INFO L354 Elim1Store]: treesize reduction 582, result has 68.4 percent of original size [2021-11-21 00:41:03,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 1252 treesize of output 2058 [2021-11-21 00:41:05,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:05,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:05,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:05,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:05,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:05,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:05,439 INFO L354 Elim1Store]: treesize reduction 23, result has 66.7 percent of original size [2021-11-21 00:41:05,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1243 treesize of output 841 [2021-11-21 00:41:05,816 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:07,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:07,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:07,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:07,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:07,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:07,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:07,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:07,455 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-11-21 00:41:07,563 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:07,564 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 1 case distinctions, treesize of input 1231 treesize of output 1013 [2021-11-21 00:41:07,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:08,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:08,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:08,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:08,365 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 1222 treesize of output 792 [2021-11-21 00:41:08,563 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:09,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:09,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:09,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:09,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:09,364 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-11-21 00:41:09,566 INFO L354 Elim1Store]: treesize reduction 1152, result has 0.1 percent of original size [2021-11-21 00:41:09,567 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 1231 treesize of output 795 [2021-11-21 00:41:09,779 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:11,513 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 00:41:11,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1343 treesize of output 1351 [2021-11-21 00:41:12,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:12,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:12,840 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 00:41:12,840 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 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-21 00:41:13,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:13,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:13,816 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 32 treesize of output 16 [2021-11-21 00:41:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver