./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:50:19,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:50:19,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:50:20,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:50:20,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:50:20,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:50:20,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:50:20,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:50:20,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:50:20,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:50:20,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:50:20,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:50:20,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:50:20,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:50:20,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:50:20,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:50:20,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:50:20,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:50:20,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:50:20,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:50:20,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:50:20,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:50:20,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:50:20,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:50:20,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:50:20,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:50:20,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:50:20,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:50:20,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:50:20,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:50:20,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:50:20,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:50:20,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:50:20,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:50:20,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:50:20,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:50:20,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:50:20,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:50:20,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:50:20,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:50:20,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:50:20,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 02:50:20,159 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:50:20,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:50:20,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:50:20,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:50:20,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:50:20,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:50:20,169 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:50:20,170 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:50:20,170 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:50:20,170 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:50:20,171 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:50:20,172 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:50:20,172 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:50:20,172 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:50:20,173 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:50:20,173 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:50:20,173 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:50:20,173 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:50:20,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:50:20,175 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:50:20,175 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:50:20,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:50:20,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:50:20,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:50:20,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:50:20,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:50:20,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:50:20,178 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:50:20,178 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:50:20,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:50:20,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:50:20,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:50:20,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:50:20,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:50:20,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:50:20,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:50:20,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:50:20,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:50:20,181 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:50:20,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:50:20,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:50:20,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:50:20,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:50:20,182 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d [2021-11-23 02:50:20,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:50:20,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:50:20,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:50:20,519 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:50:20,520 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:50:20,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2021-11-23 02:50:20,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/data/f3164630d/caa8a090a4934c3f9216c9b2f0b78135/FLAG470ba28e8 [2021-11-23 02:50:21,301 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:50:21,302 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2021-11-23 02:50:21,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/data/f3164630d/caa8a090a4934c3f9216c9b2f0b78135/FLAG470ba28e8 [2021-11-23 02:50:21,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/data/f3164630d/caa8a090a4934c3f9216c9b2f0b78135 [2021-11-23 02:50:21,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:50:21,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:50:21,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:50:21,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:50:21,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:50:21,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:21" (1/1) ... [2021-11-23 02:50:21,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d822aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:21, skipping insertion in model container [2021-11-23 02:50:21,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:21" (1/1) ... [2021-11-23 02:50:21,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:50:21,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:50:22,022 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_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2021-11-23 02:50:22,246 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_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2021-11-23 02:50:22,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:50:22,271 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:50:22,303 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_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[33021,33034] [2021-11-23 02:50:22,376 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_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i[45234,45247] [2021-11-23 02:50:22,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:50:22,445 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:50:22,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22 WrapperNode [2021-11-23 02:50:22,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:50:22,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:50:22,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:50:22,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:50:22,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2021-11-23 02:50:22,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2021-11-23 02:50:22,575 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-23 02:50:22,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:50:22,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:50:22,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:50:22,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:50:22,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2021-11-23 02:50:22,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2021-11-23 02:50:22,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2021-11-23 02:50:22,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2021-11-23 02:50:22,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2021-11-23 02:50:22,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2021-11-23 02:50:22,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2021-11-23 02:50:22,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:50:22,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:50:22,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:50:22,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:50:22,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (1/1) ... [2021-11-23 02:50:22,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:50:22,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:50:22,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:50:22,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:50:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:50:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:50:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:50:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:50:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:50:22,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:50:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-23 02:50:22,854 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-23 02:50:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:50:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:50:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:50:22,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:50:23,178 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:50:23,180 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:50:24,508 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:50:24,959 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:50:24,982 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-23 02:50:24,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:24 BoogieIcfgContainer [2021-11-23 02:50:24,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:50:24,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:50:24,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:50:24,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:50:24,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:50:21" (1/3) ... [2021-11-23 02:50:24,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f0756a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:24, skipping insertion in model container [2021-11-23 02:50:24,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:22" (2/3) ... [2021-11-23 02:50:24,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f0756a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:24, skipping insertion in model container [2021-11-23 02:50:24,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:24" (3/3) ... [2021-11-23 02:50:25,002 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-2.i [2021-11-23 02:50:25,010 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:50:25,010 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-23 02:50:25,105 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:50:25,113 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:50:25,113 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 02:50:25,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 02:50:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 02:50:25,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:25,159 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 02:50:25,161 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:50:25,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:25,202 INFO L85 PathProgramCache]: Analyzing trace with hash 32406471, now seen corresponding path program 1 times [2021-11-23 02:50:25,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:25,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211407749] [2021-11-23 02:50:25,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:25,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:25,439 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:50:25,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662085960] [2021-11-23 02:50:25,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:25,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:25,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:50:25,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:50:25,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:50:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:25,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:50:25,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:50:25,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:50:25,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-23 02:50:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:50:25,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:50:25,906 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:25,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211407749] [2021-11-23 02:50:25,907 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:50:25,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662085960] [2021-11-23 02:50:25,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662085960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:50:25,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:50:25,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:50:25,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425105786] [2021-11-23 02:50:25,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:50:25,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:50:25,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:50:25,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:50:25,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:50:25,967 INFO L87 Difference]: Start difference. First operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:50:27,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:50:27,971 INFO L93 Difference]: Finished difference Result 410 states and 706 transitions. [2021-11-23 02:50:27,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:50:27,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-23 02:50:27,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:50:27,989 INFO L225 Difference]: With dead ends: 410 [2021-11-23 02:50:27,989 INFO L226 Difference]: Without dead ends: 217 [2021-11-23 02:50:27,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:50:27,999 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 71 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:50:28,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 533 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 02:50:28,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-23 02:50:28,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 160. [2021-11-23 02:50:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 02:50:28,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-23 02:50:28,065 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-23 02:50:28,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:50:28,066 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-23 02:50:28,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:50:28,067 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-23 02:50:28,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 02:50:28,070 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:28,070 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] [2021-11-23 02:50:28,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 02:50:28,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:28,271 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:50:28,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:28,272 INFO L85 PathProgramCache]: Analyzing trace with hash 286543063, now seen corresponding path program 1 times [2021-11-23 02:50:28,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:28,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612916926] [2021-11-23 02:50:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:28,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:50:28,401 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:28,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612916926] [2021-11-23 02:50:28,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612916926] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:50:28,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:50:28,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:50:28,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107796152] [2021-11-23 02:50:28,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:50:28,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:50:28,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:50:28,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:50:28,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:50:28,405 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:50:31,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:50:32,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:50:32,028 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-23 02:50:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:50:32,029 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-23 02:50:32,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:50:32,031 INFO L225 Difference]: With dead ends: 297 [2021-11-23 02:50:32,032 INFO L226 Difference]: Without dead ends: 204 [2021-11-23 02:50:32,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:50:32,035 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 51 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:50:32,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 520 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 02:50:32,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-23 02:50:32,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-23 02:50:32,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 02:50:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-23 02:50:32,069 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-23 02:50:32,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:50:32,069 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-23 02:50:32,069 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:50:32,070 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-23 02:50:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 02:50:32,072 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:32,073 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, 1, 1] [2021-11-23 02:50:32,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:50:32,077 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:50:32,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:32,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1273614148, now seen corresponding path program 1 times [2021-11-23 02:50:32,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:32,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425025461] [2021-11-23 02:50:32,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:32,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:32,118 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:50:32,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828247369] [2021-11-23 02:50:32,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:32,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:32,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:50:32,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:50:32,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:50:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:32,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:50:32,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:50:32,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:50:32,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:50:32,537 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:32,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425025461] [2021-11-23 02:50:32,537 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:50:32,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828247369] [2021-11-23 02:50:32,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828247369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:50:32,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:50:32,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:50:32,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49273037] [2021-11-23 02:50:32,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:50:32,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:50:32,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:50:32,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:50:32,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:50:32,541 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:50:35,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:50:35,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:50:35,768 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-23 02:50:35,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:50:35,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-23 02:50:35,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:50:35,784 INFO L225 Difference]: With dead ends: 247 [2021-11-23 02:50:35,784 INFO L226 Difference]: Without dead ends: 246 [2021-11-23 02:50:35,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:50:35,786 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:50:35,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 02:50:35,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-23 02:50:35,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-23 02:50:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-23 02:50:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-23 02:50:35,813 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-23 02:50:35,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:50:35,814 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-23 02:50:35,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:50:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-23 02:50:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 02:50:35,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:35,816 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, 1, 1, 1] [2021-11-23 02:50:35,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:50:36,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:36,029 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:50:36,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:36,030 INFO L85 PathProgramCache]: Analyzing trace with hash -827332882, now seen corresponding path program 1 times [2021-11-23 02:50:36,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:36,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954746515] [2021-11-23 02:50:36,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:36,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:36,053 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:50:36,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1008832467] [2021-11-23 02:50:36,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:36,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:36,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:50:36,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:50:36,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:50:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:36,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:50:36,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:50:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:50:36,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:50:36,470 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:36,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954746515] [2021-11-23 02:50:36,470 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:50:36,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008832467] [2021-11-23 02:50:36,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008832467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:50:36,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:50:36,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:50:36,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054104940] [2021-11-23 02:50:36,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:50:36,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:50:36,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:50:36,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:50:36,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:50:36,480 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:50:37,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:50:37,148 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-23 02:50:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:50:37,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-23 02:50:37,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:50:37,157 INFO L225 Difference]: With dead ends: 213 [2021-11-23 02:50:37,157 INFO L226 Difference]: Without dead ends: 212 [2021-11-23 02:50:37,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:50:37,158 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:50:37,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 02:50:37,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-23 02:50:37,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-23 02:50:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-23 02:50:37,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-23 02:50:37,183 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-23 02:50:37,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:50:37,184 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-23 02:50:37,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:50:37,184 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-23 02:50:37,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 02:50:37,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:37,186 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:50:37,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:50:37,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:37,410 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:50:37,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:37,410 INFO L85 PathProgramCache]: Analyzing trace with hash -290716707, now seen corresponding path program 1 times [2021-11-23 02:50:37,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:37,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88896262] [2021-11-23 02:50:37,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:37,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:37,440 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:50:37,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1205637850] [2021-11-23 02:50:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:37,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:37,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:50:37,448 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:50:37,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:50:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:37,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:50:37,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:50:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:50:37,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:50:37,848 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:37,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88896262] [2021-11-23 02:50:37,849 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:50:37,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205637850] [2021-11-23 02:50:37,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205637850] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:50:37,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:50:37,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:50:37,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29728473] [2021-11-23 02:50:37,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:50:37,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:50:37,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:50:37,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:50:37,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:50:37,852 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:50:38,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:50:38,873 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-23 02:50:38,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:50:38,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2021-11-23 02:50:38,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:50:38,877 INFO L225 Difference]: With dead ends: 432 [2021-11-23 02:50:38,877 INFO L226 Difference]: Without dead ends: 247 [2021-11-23 02:50:38,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:50:38,879 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:50:38,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-23 02:50:38,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-23 02:50:38,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-23 02:50:38,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-23 02:50:38,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-23 02:50:38,923 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-23 02:50:38,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:50:38,924 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-23 02:50:38,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:50:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-23 02:50:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 02:50:38,927 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:38,927 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:50:38,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:50:39,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:39,153 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:50:39,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:39,153 INFO L85 PathProgramCache]: Analyzing trace with hash -970471061, now seen corresponding path program 1 times [2021-11-23 02:50:39,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:39,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265857934] [2021-11-23 02:50:39,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:39,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:39,175 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:50:39,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915049933] [2021-11-23 02:50:39,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:39,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:39,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:50:39,177 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:50:39,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 02:50:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:39,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:50:39,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:50:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:50:39,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:50:39,686 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:39,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265857934] [2021-11-23 02:50:39,686 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:50:39,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915049933] [2021-11-23 02:50:39,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915049933] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:50:39,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:50:39,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:50:39,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664349714] [2021-11-23 02:50:39,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:50:39,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:50:39,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:50:39,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:50:39,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:50:39,690 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:50:41,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:50:41,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:50:41,955 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-23 02:50:41,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:50:41,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2021-11-23 02:50:41,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:50:41,965 INFO L225 Difference]: With dead ends: 471 [2021-11-23 02:50:41,965 INFO L226 Difference]: Without dead ends: 248 [2021-11-23 02:50:41,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:50:41,967 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:50:41,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 02:50:41,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-23 02:50:41,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-23 02:50:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2021-11-23 02:50:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-23 02:50:41,989 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-23 02:50:41,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:50:41,990 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-23 02:50:41,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:50:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-23 02:50:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 02:50:41,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:41,994 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:50:42,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 02:50:42,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:42,209 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:50:42,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:42,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1407185215, now seen corresponding path program 1 times [2021-11-23 02:50:42,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:42,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623194784] [2021-11-23 02:50:42,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:42,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:42,235 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:50:42,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841882140] [2021-11-23 02:50:42,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:42,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:42,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:50:42,241 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:50:42,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb606c5c-b6a2-4ae5-9c61-9dbbaea83c65/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 02:50:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:42,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 02:50:42,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:50:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:50:43,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:50:43,265 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:50:43,265 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:43,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623194784] [2021-11-23 02:50:43,265 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:50:43,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841882140] [2021-11-23 02:50:43,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841882140] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:50:43,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [381482274] [2021-11-23 02:50:43,290 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-23 02:50:43,290 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:50:43,295 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:50:43,301 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:50:43,302 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:50:43,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:50:43,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,410 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 02:50:43,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-23 02:50:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 02:50:43,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,455 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:50:43,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-23 02:50:43,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:50:43,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:50:43,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,559 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:50:43,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-23 02:50:43,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,614 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:50:43,619 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 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-23 02:50:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,673 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:50:43,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-23 02:50:43,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:50:43,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:43,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-23 02:50:43,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:50:43,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:50:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:50:44,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-23 02:50:44,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-23 02:50:44,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:50:44,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:50:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:50:44,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-23 02:50:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:50:44,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-23 02:50:44,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,588 INFO L354 Elim1Store]: treesize reduction 170, result has 24.8 percent of original size [2021-11-23 02:50:44,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 127 treesize of output 163 [2021-11-23 02:50:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,649 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 02:50:44,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 145 treesize of output 156 [2021-11-23 02:50:44,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:44,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 02:50:44,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:50:44,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 02:50:44,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:50:44,886 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 02:50:44,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-23 02:50:44,912 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-23 02:50:44,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-23 02:50:44,939 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 02:50:44,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-23 02:50:44,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:50:44,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:50:44,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 02:50:45,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:50:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 02:50:45,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:50:45,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:50:45,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 02:50:45,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:50:45,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:50:52,561 WARN L227 SmtUtils]: Spent 7.12s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:50:52,561 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:50:52,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2863 treesize of output 2340 [2021-11-23 02:50:52,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:03,051 WARN L227 SmtUtils]: Spent 10.44s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:51:03,052 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:51:03,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2964 treesize of output 2682 [2021-11-23 02:51:15,399 WARN L227 SmtUtils]: Spent 12.14s 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) [2021-11-23 02:51:15,401 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 02:51:15,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2932 treesize of output 2702 [2021-11-23 02:51:16,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:16,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:17,481 INFO L354 Elim1Store]: treesize reduction 156, result has 23.2 percent of original size [2021-11-23 02:51:17,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25970 treesize of output 26001 [2021-11-23 02:51:17,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:17,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:18,252 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 02:51:18,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 25980 treesize of output 25994 [2021-11-23 02:51:19,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:19,150 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 02:51:19,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 02:51:19,218 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:19,613 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:51:19,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-23 02:51:19,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:19,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:19,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:51:19,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 02:51:20,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:20,036 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 02:51:20,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 02:51:20,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:20,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:51:20,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-11-23 02:51:20,272 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:20,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:20,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:20,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-23 02:51:20,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:21,237 INFO L354 Elim1Store]: treesize reduction 20, result has 62.3 percent of original size [2021-11-23 02:51:21,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 77 [2021-11-23 02:51:21,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:21,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:51:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:21,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:21,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2021-11-23 02:51:21,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:21,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:21,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:51:21,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-23 02:51:21,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:22,984 INFO L244 Elim1Store]: Index analysis took 228 ms [2021-11-23 02:51:24,244 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:51:24,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4034 treesize of output 5426 [2021-11-23 02:51:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:34,229 INFO L244 Elim1Store]: Index analysis took 180 ms [2021-11-23 02:51:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:34,434 INFO L354 Elim1Store]: treesize reduction 1832, result has 0.1 percent of original size [2021-11-23 02:51:34,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4045 treesize of output 3583 [2021-11-23 02:51:34,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:34,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:35,063 INFO L244 Elim1Store]: Index analysis took 205 ms [2021-11-23 02:51:35,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:36,233 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:51:36,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2677 treesize of output 4053 [2021-11-23 02:51:38,615 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:39,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:39,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:39,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:39,479 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:39,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:39,596 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:51:40,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:40,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:40,603 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 02:51:40,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 4050 treesize of output 3588 [2021-11-23 02:51:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:46,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:46,952 INFO L244 Elim1Store]: Index analysis took 190 ms [2021-11-23 02:51:51,836 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-23 02:51:51,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 275631 treesize of output 276133 [2021-11-23 02:57:53,989 WARN L227 SmtUtils]: Spent 39.15s on a formula simplification. DAG size of input: 1435 DAG size of output: 1378 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 03:00:41,286 WARN L227 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 1376 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)