./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.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_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/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_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/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_6a75331c-fd87-42d5-8056-2a2a5ba13161/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 ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:50:38,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:50:38,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:50:39,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:50:39,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:50:39,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:50:39,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:50:39,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:50:39,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:50:39,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:50:39,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:50:39,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:50:39,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:50:39,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:50:39,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:50:39,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:50:39,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:50:39,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:50:39,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:50:39,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:50:39,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:50:39,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:50:39,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:50:39,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:50:39,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:50:39,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:50:39,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:50:39,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:50:39,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:50:39,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:50:39,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:50:39,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:50:39,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:50:39,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:50:39,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:50:39,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:50:39,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:50:39,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:50:39,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:50:39,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:50:39,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:50:39,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:50:39,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:50:39,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:50:39,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:50:39,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:50:39,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:50:39,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:50:39,154 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:50:39,155 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:50:39,155 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:50:39,155 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:50:39,156 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:50:39,156 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:50:39,157 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:50:39,157 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:50:39,157 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:50:39,157 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:50:39,157 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:50:39,158 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:50:39,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:50:39,158 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:50:39,159 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:50:39,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:50:39,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:50:39,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:50:39,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:50:39,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:50:39,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:50:39,160 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:50:39,160 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:50:39,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:50:39,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:50:39,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:50:39,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:50:39,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:50:39,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:50:39,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:50:39,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:50:39,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:50:39,162 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:50:39,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:50:39,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:50:39,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:50:39,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:50:39,164 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_6a75331c-fd87-42d5-8056-2a2a5ba13161/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 [2021-11-20 23:50:39,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:50:39,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:50:39,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:50:39,477 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:50:39,478 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:50:39,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2021-11-20 23:50:39,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/data/1bc362ea3/34a4018dcf614ab780cab60616f47a87/FLAG175869cfa [2021-11-20 23:50:40,110 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:50:40,110 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2021-11-20 23:50:40,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/data/1bc362ea3/34a4018dcf614ab780cab60616f47a87/FLAG175869cfa [2021-11-20 23:50:40,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/data/1bc362ea3/34a4018dcf614ab780cab60616f47a87 [2021-11-20 23:50:40,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:50:40,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:50:40,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:50:40,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:50:40,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:50:40,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:50:40" (1/1) ... [2021-11-20 23:50:40,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b37945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:40, skipping insertion in model container [2021-11-20 23:50:40,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:50:40" (1/1) ... [2021-11-20 23:50:40,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:50:40,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:50:40,902 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_6a75331c-fd87-42d5-8056-2a2a5ba13161/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[33021,33034] [2021-11-20 23:50:41,029 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_6a75331c-fd87-42d5-8056-2a2a5ba13161/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44124,44137] [2021-11-20 23:50:41,030 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_6a75331c-fd87-42d5-8056-2a2a5ba13161/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44245,44258] [2021-11-20 23:50:41,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:50:41,056 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:50:41,086 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_6a75331c-fd87-42d5-8056-2a2a5ba13161/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[33021,33034] [2021-11-20 23:50:41,179 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_6a75331c-fd87-42d5-8056-2a2a5ba13161/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44124,44137] [2021-11-20 23:50:41,180 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_6a75331c-fd87-42d5-8056-2a2a5ba13161/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i[44245,44258] [2021-11-20 23:50:41,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:50:41,268 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:50:41,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41 WrapperNode [2021-11-20 23:50:41,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:50:41,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:50:41,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:50:41,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:50:41,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41" (1/1) ... [2021-11-20 23:50:41,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41" (1/1) ... [2021-11-20 23:50:41,395 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-20 23:50:41,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:50:41,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:50:41,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:50:41,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:50:41,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41" (1/1) ... [2021-11-20 23:50:41,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41" (1/1) ... [2021-11-20 23:50:41,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41" (1/1) ... [2021-11-20 23:50:41,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41" (1/1) ... [2021-11-20 23:50:41,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41" (1/1) ... [2021-11-20 23:50:41,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41" (1/1) ... [2021-11-20 23:50:41,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41" (1/1) ... [2021-11-20 23:50:41,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:50:41,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:50:41,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:50:41,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:50:41,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41" (1/1) ... [2021-11-20 23:50:41,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:50:41,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:50:41,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:50:41,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:50:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:50:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:50:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:50:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:50:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:50:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:50:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:50:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:50:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:50:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:50:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:50:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:50:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:50:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:50:42,049 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:50:42,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:50:43,196 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:50:43,564 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:50:43,564 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-20 23:50:43,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:50:43 BoogieIcfgContainer [2021-11-20 23:50:43,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:50:43,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:50:43,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:50:43,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:50:43,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:50:40" (1/3) ... [2021-11-20 23:50:43,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa856a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:50:43, skipping insertion in model container [2021-11-20 23:50:43,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:50:41" (2/3) ... [2021-11-20 23:50:43,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa856a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:50:43, skipping insertion in model container [2021-11-20 23:50:43,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:50:43" (3/3) ... [2021-11-20 23:50:43,576 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-2.i [2021-11-20 23:50:43,581 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:50:43,582 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 23:50:43,630 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:50:43,637 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 23:50:43,637 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 23:50:43,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 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 23:50:43,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-20 23:50:43,660 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:50:43,661 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-20 23:50:43,661 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 23:50:43,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:50:43,667 INFO L85 PathProgramCache]: Analyzing trace with hash 28375133, now seen corresponding path program 1 times [2021-11-20 23:50:43,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:50:43,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944425101] [2021-11-20 23:50:43,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:43,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:50:43,786 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:50:43,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [180300719] [2021-11-20 23:50:43,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:43,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:50:43,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:50:43,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:50:43,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:50:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:44,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:50:44,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:50:44,070 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 23:50:44,080 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 23:50:44,129 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 23:50:44,138 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 23:50:44,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:50:44,139 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:44,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944425101] [2021-11-20 23:50:44,139 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:50:44,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180300719] [2021-11-20 23:50:44,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180300719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:50:44,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:50:44,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:50:44,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122902003] [2021-11-20 23:50:44,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:50:44,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:50:44,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:50:44,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:50:44,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:50:44,176 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 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 23:50:46,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:50:46,346 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2021-11-20 23:50:46,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:50:46,363 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 23:50:46,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:50:46,373 INFO L225 Difference]: With dead ends: 316 [2021-11-20 23:50:46,373 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:50:46,377 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 23:50:46,381 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:50:46,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 324 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 23:50:46,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:50:46,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-20 23:50:46,424 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 23:50:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-20 23:50:46,427 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-20 23:50:46,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:50:46,428 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-20 23:50:46,428 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 23:50:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-20 23:50:46,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 23:50:46,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:50:46,432 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 23:50:46,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:50:46,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 23:50:46,658 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 23:50:46,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:50:46,659 INFO L85 PathProgramCache]: Analyzing trace with hash 637186690, now seen corresponding path program 1 times [2021-11-20 23:50:46,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:50:46,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648625020] [2021-11-20 23:50:46,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:46,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:50:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:46,753 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 23:50:46,754 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:46,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648625020] [2021-11-20 23:50:46,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648625020] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:50:46,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:50:46,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:50:46,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508951091] [2021-11-20 23:50:46,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:50:46,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:50:46,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:50:46,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:50:46,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:50:46,766 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 23:50:48,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:50:48,022 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-20 23:50:48,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:50:48,028 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 23:50:48,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:50:48,029 INFO L225 Difference]: With dead ends: 211 [2021-11-20 23:50:48,029 INFO L226 Difference]: Without dead ends: 159 [2021-11-20 23:50:48,030 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 23:50:48,031 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:50:48,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 23:50:48,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-20 23:50:48,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-20 23:50:48,043 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 23:50:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-20 23:50:48,044 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-20 23:50:48,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:50:48,045 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-20 23:50:48,045 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 23:50:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-20 23:50:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 23:50:48,047 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:50:48,047 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 23:50:48,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:50:48,047 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 23:50:48,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:50:48,048 INFO L85 PathProgramCache]: Analyzing trace with hash -401054575, now seen corresponding path program 1 times [2021-11-20 23:50:48,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:50:48,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819478637] [2021-11-20 23:50:48,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:48,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:50:48,069 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:50:48,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [732672677] [2021-11-20 23:50:48,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:48,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:50:48,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:50:48,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:50:48,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:50:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:48,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:50:48,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:50:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:50:48,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:50:48,497 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:48,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819478637] [2021-11-20 23:50:48,498 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:50:48,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732672677] [2021-11-20 23:50:48,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732672677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:50:48,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:50:48,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:50:48,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45296147] [2021-11-20 23:50:48,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:50:48,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:50:48,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:50:48,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:50:48,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:50:48,501 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 23:50:50,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:50:50,155 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-20 23:50:50,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:50:50,168 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 23:50:50,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:50:50,169 INFO L225 Difference]: With dead ends: 277 [2021-11-20 23:50:50,170 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:50:50,171 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 23:50:50,172 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:50:50,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-20 23:50:50,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:50:50,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-20 23:50:50,187 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 23:50:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-20 23:50:50,188 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-20 23:50:50,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:50:50,188 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-20 23:50:50,189 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 23:50:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-20 23:50:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 23:50:50,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:50:50,191 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 23:50:50,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:50:50,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:50:50,406 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 23:50:50,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:50:50,406 INFO L85 PathProgramCache]: Analyzing trace with hash -886306081, now seen corresponding path program 1 times [2021-11-20 23:50:50,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:50:50,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441483575] [2021-11-20 23:50:50,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:50,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:50:50,443 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:50:50,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937911562] [2021-11-20 23:50:50,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:50,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:50:50,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:50:50,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:50:50,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:50:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:50,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:50:50,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:50:51,015 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 23:50:51,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:50:51,016 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:51,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441483575] [2021-11-20 23:50:51,016 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:50:51,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937911562] [2021-11-20 23:50:51,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937911562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:50:51,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:50:51,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:50:51,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017392675] [2021-11-20 23:50:51,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:50:51,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:50:51,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:50:51,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:50:51,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:50:51,019 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 23:50:51,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:50:51,994 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-20 23:50:52,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:50:52,001 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 23:50:52,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:50:52,004 INFO L225 Difference]: With dead ends: 308 [2021-11-20 23:50:52,004 INFO L226 Difference]: Without dead ends: 164 [2021-11-20 23:50:52,005 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 23:50:52,006 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:50:52,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 23:50:52,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-20 23:50:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-20 23:50:52,016 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 23:50:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-20 23:50:52,017 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-20 23:50:52,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:50:52,033 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-20 23:50:52,033 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 23:50:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-20 23:50:52,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-20 23:50:52,035 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:50:52,035 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 23:50:52,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:50:52,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:50:52,236 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 23:50:52,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:50:52,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1426734659, now seen corresponding path program 1 times [2021-11-20 23:50:52,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:50:52,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593260937] [2021-11-20 23:50:52,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:52,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:50:52,266 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:50:52,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [474113396] [2021-11-20 23:50:52,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:52,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:50:52,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:50:52,270 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:50:52,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a75331c-fd87-42d5-8056-2a2a5ba13161/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:50:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:52,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:50:52,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:50:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:50:52,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:50:53,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:50:53,065 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:53,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593260937] [2021-11-20 23:50:53,066 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:50:53,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474113396] [2021-11-20 23:50:53,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474113396] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:50:53,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [789784677] [2021-11-20 23:50:53,087 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-20 23:50:53,088 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:50:53,092 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:50:53,098 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:50:53,099 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:50:53,194 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 23:50:53,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,205 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 23:50:53,223 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 23:50:53,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,248 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-20 23:50:53,248 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 23:50:53,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,302 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:50:53,304 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 23:50:53,430 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 23:50:53,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,455 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:50:53,455 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 23:50:53,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,527 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-20 23:50:53,528 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 23:50:53,582 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 23:50:53,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,611 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:50:53,612 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 23:50:53,814 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 23:50:53,833 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 23:50:53,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:53,850 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 23:50:55,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,141 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 23:50:55,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,164 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 23:50:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,217 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 23:50:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,254 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 23:50:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,383 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 23:50:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,444 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 23:50:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,506 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 23:50:55,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,591 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 23:50:55,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,667 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 23:50:55,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,744 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-20 23:50:55,744 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 23:50:55,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,840 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-20 23:50:55,841 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 23:50:55,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:55,972 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 23:50:56,457 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 23:50:56,463 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 23:50:56,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 23:50:56,530 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:50:56,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-20 23:50:56,558 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:50:56,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-20 23:50:56,586 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:50:56,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-20 23:50:56,693 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 23:50:56,705 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 23:50:56,713 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 23:50:56,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,782 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 23:50:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,807 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 23:50:56,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:56,904 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 23:50:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,210 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 23:50:57,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,267 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 23:50:57,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:57,317 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 23:51:03,653 WARN L227 SmtUtils]: Spent 6.18s 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 23:51:03,654 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:51:03,655 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 23:51:03,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:11,334 WARN L227 SmtUtils]: Spent 7.64s 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 23:51:11,335 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:51:11,335 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 23:51:21,250 WARN L227 SmtUtils]: Spent 9.81s 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 23:51:21,251 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 23:51:21,252 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 23:51:21,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:21,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:21,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:23,207 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-20 23:51:23,208 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 25954 treesize of output 25985 [2021-11-20 23:51:23,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:23,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:24,456 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:51:24,457 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 25964 treesize of output 25978 [2021-11-20 23:51:26,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:26,511 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:51:26,511 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 50 treesize of output 32 [2021-11-20 23:51:26,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:51:27,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:27,522 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-20 23:51:27,522 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 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-20 23:51:27,914 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:51:28,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:28,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:28,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:28,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:28,613 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:51:28,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1210 treesize of output 1926 [2021-11-20 23:51:29,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:30,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:30,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:30,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:30,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1133 treesize of output 769 [2021-11-20 23:51:30,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:51:31,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:51:31,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:31,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:31,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:31,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1201 treesize of output 769 [2021-11-20 23:51:32,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:51:32,863 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:51:33,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:33,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:33,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:33,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:33,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:33,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:33,192 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-20 23:51:33,202 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-20 23:51:33,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1210 treesize of output 772 [2021-11-20 23:51:33,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:33,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:33,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:33,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:33,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1133 treesize of output 769 [2021-11-20 23:51:33,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:51:34,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:34,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:34,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:34,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:34,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:34,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:34,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:34,731 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-20 23:51:34,732 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 1222 treesize of output 772 [2021-11-20 23:51:35,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:35,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:35,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:35,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:35,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:35,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:35,942 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-20 23:51:35,954 INFO L354 Elim1Store]: treesize reduction 70, result has 1.4 percent of original size [2021-11-20 23:51:35,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1222 treesize of output 772 [2021-11-20 23:51:37,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:37,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:37,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:37,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:37,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:37,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:37,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:37,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:37,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:37,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:37,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:37,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:37,357 INFO L244 Elim1Store]: Index analysis took 219 ms [2021-11-20 23:51:37,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1231 treesize of output 775 [2021-11-20 23:51:37,854 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-20 23:51:39,195 INFO L354 Elim1Store]: treesize reduction 981, result has 47.3 percent of original size [2021-11-20 23:51:39,196 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 1231 treesize of output 1654 [2021-11-20 23:51:41,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:41,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:41,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:41,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:41,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:41,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:41,511 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-11-20 23:51:41,524 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-20 23:51:41,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1154 treesize of output 772 [2021-11-20 23:51:42,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:42,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:42,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:42,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:42,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:42,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:42,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:42,993 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-11-20 23:51:42,994 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 1222 treesize of output 772 [2021-11-20 23:51:48,084 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-20 23:51:48,085 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 13501 treesize of output 13509 [2021-11-20 23:51:49,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:51:49,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:49,696 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:51:49,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-20 23:51:50,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:50,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:50,188 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-20 23:51:50,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-20 23:51:51,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:51:51,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:51,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:51:51,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:51:51,358 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-20 23:51:59,257 INFO L190 IndexEqualityManager]: detected not equals via solver