./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:47:12,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:47:12,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:47:12,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:47:12,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:47:12,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:47:12,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:47:12,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:47:13,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:47:13,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:47:13,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:47:13,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:47:13,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:47:13,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:47:13,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:47:13,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:47:13,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:47:13,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:47:13,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:47:13,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:47:13,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:47:13,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:47:13,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:47:13,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:47:13,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:47:13,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:47:13,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:47:13,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:47:13,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:47:13,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:47:13,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:47:13,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:47:13,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:47:13,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:47:13,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:47:13,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:47:13,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:47:13,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:47:13,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:47:13,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:47:13,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:47:13,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 02:47:13,149 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:47:13,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:47:13,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:47:13,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:47:13,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:47:13,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:47:13,164 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:47:13,164 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:47:13,164 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:47:13,165 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:47:13,165 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:47:13,167 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:47:13,167 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:47:13,167 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:47:13,168 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:47:13,168 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:47:13,168 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:47:13,169 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:47:13,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:47:13,171 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:47:13,172 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:47:13,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:47:13,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:47:13,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:47:13,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:47:13,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:47:13,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:47:13,177 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:47:13,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:47:13,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:47:13,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:47:13,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:47:13,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:47:13,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:47:13,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:47:13,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:47:13,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:47:13,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:47:13,181 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:47:13,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:47:13,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:47:13,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:47:13,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:47:13,182 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_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2021-11-23 02:47:13,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:47:13,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:47:13,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:47:13,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:47:13,571 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:47:13,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-23 02:47:13,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/data/9a9b24a09/d04603b282c14bfba8e6087631f5b9de/FLAG1e13fbc5c [2021-11-23 02:47:14,480 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:47:14,481 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-23 02:47:14,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/data/9a9b24a09/d04603b282c14bfba8e6087631f5b9de/FLAG1e13fbc5c [2021-11-23 02:47:14,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/data/9a9b24a09/d04603b282c14bfba8e6087631f5b9de [2021-11-23 02:47:14,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:47:14,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:47:14,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:47:14,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:47:14,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:47:14,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:14" (1/1) ... [2021-11-23 02:47:14,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba39220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:14, skipping insertion in model container [2021-11-23 02:47:14,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:14" (1/1) ... [2021-11-23 02:47:14,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:47:14,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:47:15,444 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_0334e365-8495-4f07-875c-03dd798a9233/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2021-11-23 02:47:15,663 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_0334e365-8495-4f07-875c-03dd798a9233/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2021-11-23 02:47:15,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:47:15,685 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:47:15,741 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_0334e365-8495-4f07-875c-03dd798a9233/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2021-11-23 02:47:15,806 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_0334e365-8495-4f07-875c-03dd798a9233/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2021-11-23 02:47:15,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:47:15,874 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:47:15,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15 WrapperNode [2021-11-23 02:47:15,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:47:15,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:47:15,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:47:15,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:47:15,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15" (1/1) ... [2021-11-23 02:47:15,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15" (1/1) ... [2021-11-23 02:47:16,018 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-23 02:47:16,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:47:16,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:47:16,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:47:16,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:47:16,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15" (1/1) ... [2021-11-23 02:47:16,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15" (1/1) ... [2021-11-23 02:47:16,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15" (1/1) ... [2021-11-23 02:47:16,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15" (1/1) ... [2021-11-23 02:47:16,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15" (1/1) ... [2021-11-23 02:47:16,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15" (1/1) ... [2021-11-23 02:47:16,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15" (1/1) ... [2021-11-23 02:47:16,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:47:16,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:47:16,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:47:16,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:47:16,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15" (1/1) ... [2021-11-23 02:47:16,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:47:16,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:47:16,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:47:16,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:47:16,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:47:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:47:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:47:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:47:16,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:47:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:47:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:47:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:47:16,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:47:16,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:47:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:47:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:47:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:47:16,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:47:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:47:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:47:16,522 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:47:16,524 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:47:17,719 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:47:18,049 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:47:18,049 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-23 02:47:18,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:18 BoogieIcfgContainer [2021-11-23 02:47:18,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:47:18,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:47:18,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:47:18,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:47:18,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:47:14" (1/3) ... [2021-11-23 02:47:18,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd48030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:18, skipping insertion in model container [2021-11-23 02:47:18,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:15" (2/3) ... [2021-11-23 02:47:18,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd48030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:18, skipping insertion in model container [2021-11-23 02:47:18,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:18" (3/3) ... [2021-11-23 02:47:18,064 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-1.i [2021-11-23 02:47:18,071 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:47:18,071 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-23 02:47:18,131 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:47:18,140 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 [2021-11-23 02:47:18,140 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 02:47:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 02:47:18,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 02:47:18,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:47:18,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 02:47:18,170 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:47:18,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:47:18,176 INFO L85 PathProgramCache]: Analyzing trace with hash 22945886, now seen corresponding path program 1 times [2021-11-23 02:47:18,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:47:18,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811803654] [2021-11-23 02:47:18,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:18,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:47:18,357 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:47:18,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1417896751] [2021-11-23 02:47:18,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:18,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:47:18,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:47:18,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:47:18,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:47:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:18,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:47:18,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:47:18,720 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 [2021-11-23 02:47:18,811 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 20 treesize of output 12 [2021-11-23 02:47:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:47:18,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:47:18,823 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:47:18,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811803654] [2021-11-23 02:47:18,824 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:47:18,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417896751] [2021-11-23 02:47:18,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417896751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:47:18,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:47:18,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:47:18,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639564890] [2021-11-23 02:47:18,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:47:18,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:47:18,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:47:18,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:47:18,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:47:18,887 INFO L87 Difference]: Start difference. First operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-23 02:47:21,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:23,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:23,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:47:23,549 INFO L93 Difference]: Finished difference Result 308 states and 522 transitions. [2021-11-23 02:47:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:47:23,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-11-23 02:47:23,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:47:23,597 INFO L225 Difference]: With dead ends: 308 [2021-11-23 02:47:23,597 INFO L226 Difference]: Without dead ends: 187 [2021-11-23 02:47:23,602 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 [2021-11-23 02:47:23,609 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 75 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:47:23,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 337 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-11-23 02:47:23,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-23 02:47:23,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2021-11-23 02:47:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 115 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 02:47:23,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2021-11-23 02:47:23,689 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2021-11-23 02:47:23,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:47:23,690 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2021-11-23 02:47:23,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-23 02:47:23,691 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2021-11-23 02:47:23,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 02:47:23,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:47:23,694 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:47:23,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:47:23,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 02:47:23,924 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:47:23,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:47:23,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1811846183, now seen corresponding path program 1 times [2021-11-23 02:47:23,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:47:23,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674101768] [2021-11-23 02:47:23,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:23,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:47:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:47:24,062 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:47:24,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674101768] [2021-11-23 02:47:24,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674101768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:47:24,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:47:24,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:47:24,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359389664] [2021-11-23 02:47:24,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:47:24,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:47:24,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:47:24,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:47:24,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:47:24,067 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:47:27,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:27,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:47:27,297 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2021-11-23 02:47:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:47:27,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-23 02:47:27,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:47:27,312 INFO L225 Difference]: With dead ends: 230 [2021-11-23 02:47:27,312 INFO L226 Difference]: Without dead ends: 174 [2021-11-23 02:47:27,313 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 [2021-11-23 02:47:27,315 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:47:27,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 343 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 02:47:27,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-23 02:47:27,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2021-11-23 02:47:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 115 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 02:47:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2021-11-23 02:47:27,336 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2021-11-23 02:47:27,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:47:27,336 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2021-11-23 02:47:27,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:47:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2021-11-23 02:47:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 02:47:27,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:47:27,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:47:27,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:47:27,340 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:47:27,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:47:27,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1081850416, now seen corresponding path program 1 times [2021-11-23 02:47:27,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:47:27,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091520391] [2021-11-23 02:47:27,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:27,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:47:27,370 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:47:27,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [499740846] [2021-11-23 02:47:27,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:27,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:47:27,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:47:27,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:47:27,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:47:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:27,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:47:27,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:47:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:47:27,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:47:27,895 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:47:27,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091520391] [2021-11-23 02:47:27,895 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:47:27,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499740846] [2021-11-23 02:47:27,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499740846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:47:27,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:47:27,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:47:27,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261771555] [2021-11-23 02:47:27,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:47:27,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:47:27,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:47:27,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:47:27,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:47:27,902 INFO L87 Difference]: Start difference. First operand 121 states and 146 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-11-23 02:47:30,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:30,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:47:30,494 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2021-11-23 02:47:30,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:47:30,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-11-23 02:47:30,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:47:30,507 INFO L225 Difference]: With dead ends: 288 [2021-11-23 02:47:30,507 INFO L226 Difference]: Without dead ends: 172 [2021-11-23 02:47:30,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:47:30,510 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:47:30,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 02:47:30,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-23 02:47:30,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2021-11-23 02:47:30,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 162 states have internal predecessors, (183), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:47:30,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2021-11-23 02:47:30,538 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2021-11-23 02:47:30,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:47:30,539 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2021-11-23 02:47:30,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-11-23 02:47:30,540 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2021-11-23 02:47:30,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 02:47:30,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:47:30,542 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:47:30,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:47:30,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:47:30,755 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:47:30,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:47:30,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1435534316, now seen corresponding path program 1 times [2021-11-23 02:47:30,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:47:30,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558356746] [2021-11-23 02:47:30,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:30,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:47:30,785 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:47:30,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1247522029] [2021-11-23 02:47:30,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:30,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:47:30,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:47:30,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:47:30,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:47:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:31,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:47:31,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:47:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:47:31,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:47:31,636 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:47:31,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558356746] [2021-11-23 02:47:31,636 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:47:31,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247522029] [2021-11-23 02:47:31,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247522029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:47:31,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:47:31,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:47:31,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981543337] [2021-11-23 02:47:31,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:47:31,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:47:31,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:47:31,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:47:31,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:47:31,640 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-23 02:47:33,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:47:33,536 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2021-11-23 02:47:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:47:33,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 41 [2021-11-23 02:47:33,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:47:33,550 INFO L225 Difference]: With dead ends: 320 [2021-11-23 02:47:33,550 INFO L226 Difference]: Without dead ends: 170 [2021-11-23 02:47:33,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:47:33,552 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:47:33,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 374 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 02:47:33,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-23 02:47:33,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-23 02:47:33,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 164 states have internal predecessors, (185), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2021-11-23 02:47:33,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2021-11-23 02:47:33,575 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2021-11-23 02:47:33,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:47:33,576 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2021-11-23 02:47:33,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-23 02:47:33,577 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2021-11-23 02:47:33,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 02:47:33,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:47:33,579 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] [2021-11-23 02:47:33,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:47:33,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:47:33,807 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:47:33,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:47:33,808 INFO L85 PathProgramCache]: Analyzing trace with hash -2090279668, now seen corresponding path program 1 times [2021-11-23 02:47:33,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:47:33,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794117927] [2021-11-23 02:47:33,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:33,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:47:33,849 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:47:33,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1893937391] [2021-11-23 02:47:33,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:33,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:47:33,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:47:33,854 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:47:33,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0334e365-8495-4f07-875c-03dd798a9233/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:47:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:34,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 02:47:34,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:47:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:47:34,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:47:34,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:47:34,797 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:47:34,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794117927] [2021-11-23 02:47:34,798 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:47:34,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893937391] [2021-11-23 02:47:34,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893937391] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:47:34,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [256561139] [2021-11-23 02:47:34,821 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-23 02:47:34,821 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:47:34,827 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:47:34,834 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:47:34,835 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:47:34,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,956 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 02:47:34,956 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 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-23 02:47:34,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:34,971 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 [2021-11-23 02:47:34,986 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 [2021-11-23 02:47:35,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,025 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:47:35,026 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 [2021-11-23 02:47:35,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:47:35,099 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 [2021-11-23 02:47:35,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,166 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:47:35,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-23 02:47:35,183 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 15 treesize of output 1 [2021-11-23 02:47:35,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-23 02:47:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-23 02:47:35,343 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 19 treesize of output 1 [2021-11-23 02:47:35,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-23 02:47:35,399 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 19 treesize of output 1 [2021-11-23 02:47:35,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-23 02:47:35,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-23 02:47:35,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:47:35,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:35,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:47:36,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-23 02:47:36,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:47:36,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:47:36,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 02:47:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-23 02:47:36,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,330 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 02:47:36,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 127 treesize of output 138 [2021-11-23 02:47:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,431 INFO L354 Elim1Store]: treesize reduction 200, result has 11.5 percent of original size [2021-11-23 02:47:36,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 case distinctions, treesize of input 126 treesize of output 132 [2021-11-23 02:47:36,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:47:36,647 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 [2021-11-23 02:47:36,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 02:47:36,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:47:36,726 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:47:36,727 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 85 treesize of output 88 [2021-11-23 02:47:36,762 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:47:36,763 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 88 treesize of output 91 [2021-11-23 02:47:36,795 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:47:36,796 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 91 treesize of output 94 [2021-11-23 02:47:36,846 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 [2021-11-23 02:47:36,854 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 [2021-11-23 02:47:36,861 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 [2021-11-23 02:47:36,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:47:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:36,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:47:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:47:37,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:47:37,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:47:37,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:37,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:47:45,697 WARN L227 SmtUtils]: Spent 8.28s 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) [2021-11-23 02:47:45,698 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:47:45,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2851 treesize of output 2328 [2021-11-23 02:47:45,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:47:58,592 WARN L227 SmtUtils]: Spent 12.84s 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) [2021-11-23 02:47:58,593 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:47:58,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2952 treesize of output 2670 [2021-11-23 02:48:12,464 WARN L227 SmtUtils]: Spent 13.69s 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) [2021-11-23 02:48:12,465 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 02:48:12,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2856 treesize of output 2686 [2021-11-23 02:48:13,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:13,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:14,135 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 02:48:14,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 25954 treesize of output 25968 [2021-11-23 02:48:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:15,175 INFO L354 Elim1Store]: treesize reduction 172, result has 15.3 percent of original size [2021-11-23 02:48:15,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25953 treesize of output 25968 [2021-11-23 02:48:15,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:16,093 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 02:48:16,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-23 02:48:16,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:16,574 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:48:16,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-23 02:48:16,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:16,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:16,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:16,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:16,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2156 treesize of output 1706 [2021-11-23 02:48:17,287 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:48:17,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:17,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:17,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:17,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:17,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:17,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:17,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:17,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:17,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:17,783 INFO L244 Elim1Store]: Index analysis took 211 ms [2021-11-23 02:48:17,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2156 treesize of output 1706 [2021-11-23 02:48:18,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:18,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:18,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:18,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:18,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:18,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:18,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:18,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:18,297 INFO L244 Elim1Store]: Index analysis took 227 ms [2021-11-23 02:48:18,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:48:18,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2156 treesize of output 1758 [2021-11-23 02:48:18,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:18,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:18,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:18,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:48:18,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:18,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:18,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:18,841 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-23 02:48:18,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2156 treesize of output 1706 [2021-11-23 02:48:19,362 INFO L244 Elim1Store]: Index analysis took 382 ms [2021-11-23 02:48:22,259 INFO L354 Elim1Store]: treesize reduction 488, result has 73.7 percent of original size [2021-11-23 02:48:22,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2167 treesize of output 3081 [2021-11-23 02:48:24,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:48:25,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:48:25,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:48:26,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:26,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-23 02:48:26,564 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:48:26,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:26,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-23 02:48:26,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:26,931 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-11-23 02:48:27,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:27,899 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-23 02:48:27,900 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 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-23 02:48:28,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:28,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:28,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:28,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-11-23 02:48:29,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:29,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:29,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:30,476 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-23 02:48:30,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82536 treesize of output 82550 [2021-11-23 02:48:42,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:48:42,025 INFO L190 IndexEqualityManager]: detected not equals via solver