./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P --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 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:58:35,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:58:35,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:58:35,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:58:35,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:58:35,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:58:35,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:58:35,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:58:35,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:58:35,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:58:35,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:58:35,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:58:35,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:58:35,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:58:35,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:58:35,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:58:35,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:58:35,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:58:35,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:58:35,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:58:35,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:58:35,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:58:35,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:58:35,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:58:35,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:58:35,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:58:35,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:58:35,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:58:35,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:58:35,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:58:35,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:58:35,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:58:35,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:58:35,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:58:35,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:58:35,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:58:35,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:58:35,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:58:35,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:58:35,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:58:35,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:58:35,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:58:35,209 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:58:35,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:58:35,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:58:35,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:58:35,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:58:35,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:58:35,218 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:58:35,219 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:58:35,219 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:58:35,219 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:58:35,220 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:58:35,221 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:58:35,221 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:58:35,221 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:58:35,221 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:58:35,222 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:58:35,222 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:58:35,222 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:58:35,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:58:35,224 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:58:35,224 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:58:35,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:58:35,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:58:35,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:58:35,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:58:35,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:58:35,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:58:35,228 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:58:35,228 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:58:35,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:58:35,228 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:58:35,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:58:35,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:58:35,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:58:35,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:58:35,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:58:35,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:58:35,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:58:35,230 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:58:35,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:58:35,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:58:35,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:58:35,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:58:35,231 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_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 [2021-11-20 23:58:35,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:58:35,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:58:35,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:58:35,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:58:35,575 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:58:35,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2021-11-20 23:58:35,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/data/8932b532e/ed5e1219ac644ef08c597a16ef613290/FLAG08ef19ae8 [2021-11-20 23:58:36,411 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:58:36,412 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2021-11-20 23:58:36,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/data/8932b532e/ed5e1219ac644ef08c597a16ef613290/FLAG08ef19ae8 [2021-11-20 23:58:36,557 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/data/8932b532e/ed5e1219ac644ef08c597a16ef613290 [2021-11-20 23:58:36,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:58:36,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:58:36,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:58:36,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:58:36,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:58:36,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:58:36" (1/1) ... [2021-11-20 23:58:36,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9473b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:36, skipping insertion in model container [2021-11-20 23:58:36,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:58:36" (1/1) ... [2021-11-20 23:58:36,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:58:36,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:58:37,172 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_c5956b76-a50b-4742-ba47-2aa269be9f02/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2021-11-20 23:58:37,298 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_c5956b76-a50b-4742-ba47-2aa269be9f02/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2021-11-20 23:58:37,308 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_c5956b76-a50b-4742-ba47-2aa269be9f02/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2021-11-20 23:58:37,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:58:37,328 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:58:37,383 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_c5956b76-a50b-4742-ba47-2aa269be9f02/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2021-11-20 23:58:37,458 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_c5956b76-a50b-4742-ba47-2aa269be9f02/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2021-11-20 23:58:37,459 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_c5956b76-a50b-4742-ba47-2aa269be9f02/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2021-11-20 23:58:37,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:58:37,513 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:58:37,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37 WrapperNode [2021-11-20 23:58:37,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:58:37,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:58:37,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:58:37,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:58:37,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37" (1/1) ... [2021-11-20 23:58:37,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37" (1/1) ... [2021-11-20 23:58:37,630 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-20 23:58:37,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:58:37,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:58:37,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:58:37,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:58:37,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37" (1/1) ... [2021-11-20 23:58:37,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37" (1/1) ... [2021-11-20 23:58:37,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37" (1/1) ... [2021-11-20 23:58:37,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37" (1/1) ... [2021-11-20 23:58:37,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37" (1/1) ... [2021-11-20 23:58:37,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37" (1/1) ... [2021-11-20 23:58:37,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37" (1/1) ... [2021-11-20 23:58:37,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:58:37,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:58:37,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:58:37,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:58:37,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37" (1/1) ... [2021-11-20 23:58:37,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:58:37,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:37,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:58:37,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:58:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:58:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:58:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:58:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:58:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:58:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:58:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:58:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:58:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:58:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:58:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:58:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:58:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:58:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:58:38,213 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:58:38,215 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:58:39,634 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:58:40,021 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:58:40,021 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-20 23:58:40,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:58:40 BoogieIcfgContainer [2021-11-20 23:58:40,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:58:40,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:58:40,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:58:40,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:58:40,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:58:36" (1/3) ... [2021-11-20 23:58:40,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a110e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:58:40, skipping insertion in model container [2021-11-20 23:58:40,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:37" (2/3) ... [2021-11-20 23:58:40,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a110e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:58:40, skipping insertion in model container [2021-11-20 23:58:40,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:58:40" (3/3) ... [2021-11-20 23:58:40,047 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test7-1.i [2021-11-20 23:58:40,055 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:58:40,055 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 23:58:40,182 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:58:40,194 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 [2021-11-20 23:58:40,194 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 23:58:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:58:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-20 23:58:40,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:40,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-20 23:58:40,228 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:40,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:40,236 INFO L85 PathProgramCache]: Analyzing trace with hash 24617747, now seen corresponding path program 1 times [2021-11-20 23:58:40,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:40,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811716856] [2021-11-20 23:58:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:40,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:40,418 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:58:40,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [769742241] [2021-11-20 23:58:40,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:40,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:40,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:40,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:58:40,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:58:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:40,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:58:40,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:58:40,746 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 [2021-11-20 23:58:40,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-20 23:58:40,854 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 25 treesize of output 17 [2021-11-20 23:58:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:58:40,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:58:40,870 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:40,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811716856] [2021-11-20 23:58:40,870 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:58:40,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769742241] [2021-11-20 23:58:40,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769742241] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:40,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:40,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:58:40,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115178451] [2021-11-20 23:58:40,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:40,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:40,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:40,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:40,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:40,931 INFO L87 Difference]: Start difference. First operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 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) [2021-11-20 23:58:43,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:43,199 INFO L93 Difference]: Finished difference Result 285 states and 496 transitions. [2021-11-20 23:58:43,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:43,205 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 [2021-11-20 23:58:43,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:43,217 INFO L225 Difference]: With dead ends: 285 [2021-11-20 23:58:43,218 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:58:43,222 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 [2021-11-20 23:58:43,226 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 58 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:43,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 296 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 23:58:43,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:58:43,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-20 23:58:43,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:58:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-20 23:58:43,284 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-20 23:58:43,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:43,284 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-20 23:58:43,285 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) [2021-11-20 23:58:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-20 23:58:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 23:58:43,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:43,288 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] [2021-11-20 23:58:43,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:58:43,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 23:58:43,504 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:43,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:43,505 INFO L85 PathProgramCache]: Analyzing trace with hash -179565833, now seen corresponding path program 1 times [2021-11-20 23:58:43,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:43,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045266577] [2021-11-20 23:58:43,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:43,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:58:43,649 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:43,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045266577] [2021-11-20 23:58:43,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045266577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:43,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:43,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:58:43,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449902363] [2021-11-20 23:58:43,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:43,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:43,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:43,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:43,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:43,657 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-20 23:58:45,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:45,759 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-20 23:58:45,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:45,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-20 23:58:45,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:45,768 INFO L225 Difference]: With dead ends: 211 [2021-11-20 23:58:45,768 INFO L226 Difference]: Without dead ends: 159 [2021-11-20 23:58:45,769 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 [2021-11-20 23:58:45,771 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:45,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 23:58:45,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-20 23:58:45,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-20 23:58:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:58:45,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-20 23:58:45,836 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-20 23:58:45,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:45,837 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-20 23:58:45,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-20 23:58:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-20 23:58:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 23:58:45,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:45,840 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] [2021-11-20 23:58:45,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:58:45,841 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:45,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:45,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1301143671, now seen corresponding path program 1 times [2021-11-20 23:58:45,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:45,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915950471] [2021-11-20 23:58:45,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:45,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:45,871 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:58:45,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [697706074] [2021-11-20 23:58:45,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:45,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:45,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:45,874 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:58:45,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:58:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:46,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:58:46,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:58:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:58:46,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:58:46,390 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:46,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915950471] [2021-11-20 23:58:46,390 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:58:46,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697706074] [2021-11-20 23:58:46,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697706074] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:46,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:46,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:58:46,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456912008] [2021-11-20 23:58:46,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:46,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:58:46,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:46,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:58:46,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:58:46,395 INFO L87 Difference]: Start difference. First operand 117 states and 135 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) [2021-11-20 23:58:47,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:47,314 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-20 23:58:47,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:58:47,321 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 [2021-11-20 23:58:47,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:47,324 INFO L225 Difference]: With dead ends: 277 [2021-11-20 23:58:47,324 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:58:47,325 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 [2021-11-20 23:58:47,327 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:47,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-20 23:58:47,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:58:47,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-20 23:58:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:58:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-20 23:58:47,347 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-20 23:58:47,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:47,347 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-20 23:58:47,348 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) [2021-11-20 23:58:47,348 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-20 23:58:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 23:58:47,350 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:47,350 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] [2021-11-20 23:58:47,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 23:58:47,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:47,564 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:47,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:47,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1414874843, now seen corresponding path program 1 times [2021-11-20 23:58:47,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:47,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422734897] [2021-11-20 23:58:47,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:47,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:47,592 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:58:47,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39300467] [2021-11-20 23:58:47,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:47,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:47,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:47,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:58:47,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:58:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:48,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:58:48,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:58:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:58:48,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:58:48,338 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:48,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422734897] [2021-11-20 23:58:48,339 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:58:48,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39300467] [2021-11-20 23:58:48,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39300467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:48,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:48,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:48,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853601427] [2021-11-20 23:58:48,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:48,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:48,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:48,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:48,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:48,342 INFO L87 Difference]: Start difference. First operand 162 states and 186 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) [2021-11-20 23:58:49,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:49,467 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-20 23:58:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:49,478 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 [2021-11-20 23:58:49,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:49,481 INFO L225 Difference]: With dead ends: 308 [2021-11-20 23:58:49,481 INFO L226 Difference]: Without dead ends: 164 [2021-11-20 23:58:49,483 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 [2021-11-20 23:58:49,484 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:49,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 23:58:49,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-20 23:58:49,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-20 23:58:49,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 23:58:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-20 23:58:49,511 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-20 23:58:49,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:49,511 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-20 23:58:49,512 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) [2021-11-20 23:58:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-20 23:58:49,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-20 23:58:49,514 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:49,514 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] [2021-11-20 23:58:49,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:58:49,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:49,734 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:49,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:49,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1751785293, now seen corresponding path program 1 times [2021-11-20 23:58:49,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:49,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149191171] [2021-11-20 23:58:49,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:49,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:49,776 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:58:49,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [803505061] [2021-11-20 23:58:49,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:49,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:49,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:49,797 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:58:49,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5956b76-a50b-4742-ba47-2aa269be9f02/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:58:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:50,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 23:58:50,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:58:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:58:50,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:58:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:58:50,990 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:50,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149191171] [2021-11-20 23:58:50,990 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:58:50,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803505061] [2021-11-20 23:58:50,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803505061] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:58:50,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1592663085] [2021-11-20 23:58:51,041 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-20 23:58:51,041 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:58:51,046 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:58:51,051 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:58:51,052 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:58:51,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,177 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-20 23:58:51,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2021-11-20 23:58:51,196 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 15 treesize of output 1 [2021-11-20 23:58:51,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-20 23:58:51,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,246 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:58:51,246 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 [2021-11-20 23:58:51,277 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 [2021-11-20 23:58:51,379 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 [2021-11-20 23:58:51,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,420 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:58:51,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-20 23:58:51,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,497 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-20 23:58:51,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 23:58:51,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-20 23:58:51,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,586 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:58:51,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-20 23:58:51,783 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 19 treesize of output 1 [2021-11-20 23:58:51,812 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 19 treesize of output 1 [2021-11-20 23:58:51,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:51,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-20 23:58:53,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:58:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-20 23:58:53,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-20 23:58:53,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:58:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:58:53,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 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 [2021-11-20 23:58:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:58:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:58:53,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:58:53,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,840 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-20 23:58:53,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 23:58:53,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:53,937 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-20 23:58:53,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 23:58:54,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-20 23:58:54,618 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 [2021-11-20 23:58:54,627 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 [2021-11-20 23:58:54,634 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 [2021-11-20 23:58:54,683 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-20 23:58:54,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-20 23:58:54,706 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 23:58:54,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-20 23:58:54,728 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 23:58:54,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-20 23:58:54,782 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 [2021-11-20 23:58:54,790 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 [2021-11-20 23:58:54,800 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 [2021-11-20 23:58:54,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:58:54,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:58:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:54,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:58:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:58:55,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:58:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:55,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:59:02,371 WARN L227 SmtUtils]: Spent 6.93s 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) [2021-11-20 23:59:02,372 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:59:02,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-20 23:59:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:12,839 WARN L227 SmtUtils]: Spent 10.43s 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) [2021-11-20 23:59:12,841 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:59:12,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-20 23:59:27,735 WARN L227 SmtUtils]: Spent 14.69s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:59:27,737 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 23:59:27,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-20 23:59:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:28,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:29,097 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:59:29,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25954 treesize of output 25968 [2021-11-20 23:59:29,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:29,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:30,386 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-20 23:59:30,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25953 treesize of output 25968 [2021-11-20 23:59:32,052 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:32,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:32,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:32,467 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:59:32,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-20 23:59:32,629 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:33,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:33,405 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:59:33,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-20 23:59:34,509 INFO L244 Elim1Store]: Index analysis took 460 ms [2021-11-20 23:59:36,917 INFO L354 Elim1Store]: treesize reduction 458, result has 75.4 percent of original size [2021-11-20 23:59:36,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2236 treesize of output 3186 [2021-11-20 23:59:57,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:57,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:57,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:57,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:57,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:57,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:57,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:57,138 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-20 23:59:57,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4858 treesize of output 3290 [2021-11-20 23:59:59,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:00:00,529 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:00:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:00,722 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:00:00,723 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 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-21 00:00:01,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:01,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:01,167 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 00:00:01,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-21 00:00:01,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:00:02,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:02,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:02,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:00:02,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-21 00:00:06,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:06,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:06,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:06,509 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 00:00:06,510 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 14713 treesize of output 14727 [2021-11-21 00:00:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:20,147 INFO L190 IndexEqualityManager]: detected not equals via solver