./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/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_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/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_e0f56541-6b50-47ec-a831-4449784745db/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 adfc1710e761824cc0d761ee45a1724b8fd34135f47dcc82b27f8b64b97ca013 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:49:15,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:49:15,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:49:15,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:49:15,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:49:15,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:49:15,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:49:15,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:49:15,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:49:15,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:49:15,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:49:15,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:49:15,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:49:15,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:49:15,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:49:15,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:49:15,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:49:15,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:49:15,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:49:15,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:49:15,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:49:15,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:49:15,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:49:15,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:49:15,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:49:15,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:49:15,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:49:15,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:49:15,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:49:15,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:49:15,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:49:15,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:49:15,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:49:15,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:49:15,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:49:15,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:49:15,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:49:15,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:49:15,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:49:15,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:49:15,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:49:15,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 03:49:15,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:49:15,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:49:15,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:49:15,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:49:15,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:49:15,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:49:15,390 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:49:15,391 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:49:15,391 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:49:15,391 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:49:15,392 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:49:15,393 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:49:15,393 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:49:15,393 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:49:15,393 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:49:15,394 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:49:15,394 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:49:15,394 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:49:15,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:49:15,395 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:49:15,395 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:49:15,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:49:15,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:49:15,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:49:15,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:49:15,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:49:15,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:49:15,398 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 03:49:15,399 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:49:15,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:49:15,399 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:49:15,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:49:15,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:49:15,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:49:15,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:49:15,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:49:15,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:49:15,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:49:15,401 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:49:15,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:49:15,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:49:15,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:49:15,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:49:15,402 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_e0f56541-6b50-47ec-a831-4449784745db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adfc1710e761824cc0d761ee45a1724b8fd34135f47dcc82b27f8b64b97ca013 [2021-11-23 03:49:15,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:49:15,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:49:15,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:49:15,783 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:49:15,784 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:49:15,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i [2021-11-23 03:49:15,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/data/356085207/0f421ab7b8ed466797650171e47eb5f3/FLAGb069f8875 [2021-11-23 03:49:16,528 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:49:16,528 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i [2021-11-23 03:49:16,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/data/356085207/0f421ab7b8ed466797650171e47eb5f3/FLAGb069f8875 [2021-11-23 03:49:16,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/data/356085207/0f421ab7b8ed466797650171e47eb5f3 [2021-11-23 03:49:16,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:49:16,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:49:16,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:49:16,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:49:16,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:49:16,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:16" (1/1) ... [2021-11-23 03:49:16,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eeb6be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16, skipping insertion in model container [2021-11-23 03:49:16,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:16" (1/1) ... [2021-11-23 03:49:16,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:49:16,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:49:17,213 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_e0f56541-6b50-47ec-a831-4449784745db/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i[33021,33034] [2021-11-23 03:49:17,380 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_e0f56541-6b50-47ec-a831-4449784745db/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i[49681,49694] [2021-11-23 03:49:17,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:49:17,402 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:49:17,435 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_e0f56541-6b50-47ec-a831-4449784745db/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i[33021,33034] [2021-11-23 03:49:17,543 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_e0f56541-6b50-47ec-a831-4449784745db/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i[49681,49694] [2021-11-23 03:49:17,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:49:17,610 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:49:17,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17 WrapperNode [2021-11-23 03:49:17,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:49:17,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:49:17,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:49:17,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:49:17,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 03:49:17,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 03:49:17,806 INFO L137 Inliner]: procedures = 177, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1412 [2021-11-23 03:49:17,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:49:17,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:49:17,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:49:17,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:49:17,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 03:49:17,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 03:49:17,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 03:49:17,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 03:49:17,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 03:49:17,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 03:49:17,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 03:49:18,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:49:18,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:49:18,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:49:18,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:49:18,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 03:49:18,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:49:18,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:18,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:49:18,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:49:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:49:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:49:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:49:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:49:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:49:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:49:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:49:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:49:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:49:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:49:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:49:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:49:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:49:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:49:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:49:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:49:18,330 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:49:18,332 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:49:19,651 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:49:20,194 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:49:20,195 INFO L301 CfgBuilder]: Removed 83 assume(true) statements. [2021-11-23 03:49:20,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:49:20 BoogieIcfgContainer [2021-11-23 03:49:20,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:49:20,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:49:20,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:49:20,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:49:20,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:49:16" (1/3) ... [2021-11-23 03:49:20,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f39251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:49:20, skipping insertion in model container [2021-11-23 03:49:20,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (2/3) ... [2021-11-23 03:49:20,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f39251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:49:20, skipping insertion in model container [2021-11-23 03:49:20,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:49:20" (3/3) ... [2021-11-23 03:49:20,213 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test5-1.i [2021-11-23 03:49:20,219 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:49:20,219 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-23 03:49:20,271 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:49:20,278 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 03:49:20,279 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-23 03:49:20,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 140 states have (on average 1.8357142857142856) internal successors, (257), 155 states have internal predecessors, (257), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 03:49:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 03:49:20,302 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:20,303 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 03:49:20,304 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-23 03:49:20,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:20,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1119808, now seen corresponding path program 1 times [2021-11-23 03:49:20,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:20,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829435788] [2021-11-23 03:49:20,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:20,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:20,421 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:49:20,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783293429] [2021-11-23 03:49:20,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:20,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:20,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:20,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:49:20,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:49:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:20,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:49:20,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:49:20,679 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 03:49:20,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:49:20,679 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:20,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829435788] [2021-11-23 03:49:20,680 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:49:20,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783293429] [2021-11-23 03:49:20,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783293429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:20,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:20,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 03:49:20,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925758522] [2021-11-23 03:49:20,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:20,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:49:20,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:20,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:49:20,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:49:20,717 INFO L87 Difference]: Start difference. First operand has 164 states, 140 states have (on average 1.8357142857142856) internal successors, (257), 155 states have internal predecessors, (257), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 03:49:22,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:22,765 INFO L93 Difference]: Finished difference Result 476 states and 831 transitions. [2021-11-23 03:49:22,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:49:22,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-23 03:49:22,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:22,793 INFO L225 Difference]: With dead ends: 476 [2021-11-23 03:49:22,793 INFO L226 Difference]: Without dead ends: 312 [2021-11-23 03:49:22,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 03:49:22,801 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 159 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:22,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 351 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 03:49:22,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-23 03:49:22,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 212. [2021-11-23 03:49:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 186 states have (on average 1.2473118279569892) internal successors, (232), 203 states have internal predecessors, (232), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:49:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 264 transitions. [2021-11-23 03:49:22,868 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 264 transitions. Word has length 3 [2021-11-23 03:49:22,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:22,868 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 264 transitions. [2021-11-23 03:49:22,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 03:49:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 264 transitions. [2021-11-23 03:49:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 03:49:22,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:22,872 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:49:22,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:49:23,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:23,093 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-23 03:49:23,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:23,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1087819107, now seen corresponding path program 1 times [2021-11-23 03:49:23,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:23,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390881623] [2021-11-23 03:49:23,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:23,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:23,122 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:49:23,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [222182474] [2021-11-23 03:49:23,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:23,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:23,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:23,124 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:49:23,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:49:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:23,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:49:23,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:49:23,625 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 03:49:23,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:49:23,626 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:23,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390881623] [2021-11-23 03:49:23,626 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:49:23,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222182474] [2021-11-23 03:49:23,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222182474] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:23,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:23,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:49:23,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330512358] [2021-11-23 03:49:23,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:23,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:49:23,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:23,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:49:23,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:49:23,631 INFO L87 Difference]: Start difference. First operand 212 states and 264 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 03:49:27,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:49:28,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:28,774 INFO L93 Difference]: Finished difference Result 312 states and 378 transitions. [2021-11-23 03:49:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:49:28,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-23 03:49:28,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:28,794 INFO L225 Difference]: With dead ends: 312 [2021-11-23 03:49:28,794 INFO L226 Difference]: Without dead ends: 311 [2021-11-23 03:49:28,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 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 03:49:28,797 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 116 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:28,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 534 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-11-23 03:49:28,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-23 03:49:28,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 307. [2021-11-23 03:49:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 275 states have (on average 1.2036363636363636) internal successors, (331), 292 states have internal predecessors, (331), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-23 03:49:28,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2021-11-23 03:49:28,832 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 48 [2021-11-23 03:49:28,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:28,833 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2021-11-23 03:49:28,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 03:49:28,833 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2021-11-23 03:49:28,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 03:49:28,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:28,836 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:49:28,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 03:49:29,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-23 03:49:29,049 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-23 03:49:29,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:29,050 INFO L85 PathProgramCache]: Analyzing trace with hash -637345286, now seen corresponding path program 1 times [2021-11-23 03:49:29,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:29,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785973159] [2021-11-23 03:49:29,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:29,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:29,074 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:49:29,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739485683] [2021-11-23 03:49:29,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:29,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:29,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:29,086 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:49:29,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:49:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:29,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:49:29,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:49:29,483 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 03:49:29,484 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:49:29,484 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:29,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785973159] [2021-11-23 03:49:29,484 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:49:29,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739485683] [2021-11-23 03:49:29,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739485683] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:29,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:29,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:49:29,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776231896] [2021-11-23 03:49:29,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:29,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:49:29,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:29,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:49:29,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:49:29,488 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 03:49:31,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:31,250 INFO L93 Difference]: Finished difference Result 307 states and 375 transitions. [2021-11-23 03:49:31,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:49:31,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-23 03:49:31,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:31,261 INFO L225 Difference]: With dead ends: 307 [2021-11-23 03:49:31,261 INFO L226 Difference]: Without dead ends: 305 [2021-11-23 03:49:31,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 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 03:49:31,263 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 118 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:31,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 327 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 03:49:31,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-23 03:49:31,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 304. [2021-11-23 03:49:31,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 274 states have (on average 1.197080291970803) internal successors, (328), 289 states have internal predecessors, (328), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-23 03:49:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 372 transitions. [2021-11-23 03:49:31,290 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 372 transitions. Word has length 49 [2021-11-23 03:49:31,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:31,291 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 372 transitions. [2021-11-23 03:49:31,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 03:49:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 372 transitions. [2021-11-23 03:49:31,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 03:49:31,294 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:31,294 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:49:31,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-23 03:49:31,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:31,521 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-23 03:49:31,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:31,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1691543126, now seen corresponding path program 1 times [2021-11-23 03:49:31,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:31,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162927356] [2021-11-23 03:49:31,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:31,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:31,560 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:49:31,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [911070691] [2021-11-23 03:49:31,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:31,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:31,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:31,576 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:49:31,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:49:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:31,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:49:31,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:49:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:49:32,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:49:32,028 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:32,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162927356] [2021-11-23 03:49:32,028 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:49:32,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911070691] [2021-11-23 03:49:32,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911070691] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:32,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:32,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:49:32,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114733767] [2021-11-23 03:49:32,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:32,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:49:32,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:32,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:49:32,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:49:32,031 INFO L87 Difference]: Start difference. First operand 304 states and 372 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 03:49:34,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:34,025 INFO L93 Difference]: Finished difference Result 589 states and 737 transitions. [2021-11-23 03:49:34,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:49:34,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2021-11-23 03:49:34,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:34,035 INFO L225 Difference]: With dead ends: 589 [2021-11-23 03:49:34,036 INFO L226 Difference]: Without dead ends: 357 [2021-11-23 03:49:34,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 03:49:34,038 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 76 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:34,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 346 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 03:49:34,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-23 03:49:34,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2021-11-23 03:49:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 338 states have internal predecessors, (383), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-23 03:49:34,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 447 transitions. [2021-11-23 03:49:34,072 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 447 transitions. Word has length 51 [2021-11-23 03:49:34,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:34,072 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 447 transitions. [2021-11-23 03:49:34,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 03:49:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 447 transitions. [2021-11-23 03:49:34,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 03:49:34,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:34,076 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:49:34,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 03:49:34,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:34,301 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-23 03:49:34,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:34,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1425254209, now seen corresponding path program 1 times [2021-11-23 03:49:34,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:34,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121924645] [2021-11-23 03:49:34,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:34,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:34,339 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:49:34,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [160892890] [2021-11-23 03:49:34,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:34,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:34,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:34,345 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:49:34,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 03:49:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:34,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:49:34,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:49:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:49:34,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:49:34,810 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:34,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121924645] [2021-11-23 03:49:34,810 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:49:34,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160892890] [2021-11-23 03:49:34,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160892890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:34,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:34,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:49:34,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541017787] [2021-11-23 03:49:34,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:34,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:49:34,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:34,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:49:34,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:49:34,814 INFO L87 Difference]: Start difference. First operand 353 states and 447 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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 03:49:36,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:36,004 INFO L93 Difference]: Finished difference Result 678 states and 862 transitions. [2021-11-23 03:49:36,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:49:36,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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 64 [2021-11-23 03:49:36,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:36,011 INFO L225 Difference]: With dead ends: 678 [2021-11-23 03:49:36,011 INFO L226 Difference]: Without dead ends: 351 [2021-11-23 03:49:36,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 03:49:36,014 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 11 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:36,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 328 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 03:49:36,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-23 03:49:36,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-23 03:49:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 336 states have internal predecessors, (380), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-23 03:49:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 444 transitions. [2021-11-23 03:49:36,042 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 444 transitions. Word has length 64 [2021-11-23 03:49:36,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:36,043 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 444 transitions. [2021-11-23 03:49:36,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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 03:49:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 444 transitions. [2021-11-23 03:49:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 03:49:36,046 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:36,047 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:49:36,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 03:49:36,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:36,261 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-23 03:49:36,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:36,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1252483932, now seen corresponding path program 1 times [2021-11-23 03:49:36,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:36,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727849034] [2021-11-23 03:49:36,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:36,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:36,309 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:49:36,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [944569627] [2021-11-23 03:49:36,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:36,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:36,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:36,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:49:36,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 03:49:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:37,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 03:49:37,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:49:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:49:38,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:49:38,077 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:38,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727849034] [2021-11-23 03:49:38,078 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:49:38,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944569627] [2021-11-23 03:49:38,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944569627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:38,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:38,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:49:38,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671875792] [2021-11-23 03:49:38,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:38,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:49:38,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:38,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:49:38,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:49:38,081 INFO L87 Difference]: Start difference. First operand 351 states and 444 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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 03:49:40,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:40,243 INFO L93 Difference]: Finished difference Result 684 states and 880 transitions. [2021-11-23 03:49:40,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:49:40,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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 77 [2021-11-23 03:49:40,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:40,256 INFO L225 Difference]: With dead ends: 684 [2021-11-23 03:49:40,256 INFO L226 Difference]: Without dead ends: 353 [2021-11-23 03:49:40,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 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 03:49:40,258 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:40,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 03:49:40,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-23 03:49:40,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-23 03:49:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 338 states have internal predecessors, (382), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-23 03:49:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2021-11-23 03:49:40,290 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 77 [2021-11-23 03:49:40,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:40,291 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2021-11-23 03:49:40,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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 03:49:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-23 03:49:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 03:49:40,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:40,294 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:49:40,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 03:49:40,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-23 03:49:40,501 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-23 03:49:40,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:40,502 INFO L85 PathProgramCache]: Analyzing trace with hash -754730984, now seen corresponding path program 1 times [2021-11-23 03:49:40,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:40,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488739163] [2021-11-23 03:49:40,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:40,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:40,520 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:49:40,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212038166] [2021-11-23 03:49:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:40,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:40,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:40,533 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:49:40,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0f56541-6b50-47ec-a831-4449784745db/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 03:49:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:41,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 03:49:41,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:49:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 03:49:41,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:49:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 03:49:42,032 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:42,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488739163] [2021-11-23 03:49:42,032 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:49:42,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212038166] [2021-11-23 03:49:42,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212038166] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:49:42,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [568802763] [2021-11-23 03:49:42,054 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-23 03:49:42,054 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:49:42,058 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:49:42,063 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:49:42,064 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:49:42,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,258 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 03:49:42,259 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 03:49:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 03:49:42,310 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 03:49:42,331 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:49:42,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-23 03:49:42,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,367 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:49:42,367 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 03:49:42,378 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 03:49:42,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,419 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:49:42,419 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 03:49:42,469 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 03:49:42,480 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 03:49:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-23 03:49:42,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 70 treesize of output 67 [2021-11-23 03:49:42,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-23 03:49:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,937 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 03:49:42,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:42,960 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 03:49:43,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,040 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 03:49:43,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,061 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 03:49:43,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,096 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 89 treesize of output 88 [2021-11-23 03:49:43,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,125 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 70 treesize of output 69 [2021-11-23 03:49:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,185 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 03:49:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,290 INFO L354 Elim1Store]: treesize reduction 170, result has 24.8 percent of original size [2021-11-23 03:49:43,290 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 03:49:43,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,355 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 03:49:43,356 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 03:49:43,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,396 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 03:49:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,429 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 70 treesize of output 69 [2021-11-23 03:49:43,533 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 03:49:43,540 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 03:49:43,546 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 03:49:43,585 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:49:43,585 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 03:49:43,606 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:49:43,607 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 03:49:43,633 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-23 03:49:43,634 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 03:49:43,657 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 03:49:43,662 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 03:49:43,673 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 03:49:43,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:49:43,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-23 03:49:43,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,809 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 03:49:43,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:49:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,978 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 03:49:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:44,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:44,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:44,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-23 03:49:50,921 WARN L227 SmtUtils]: Spent 6.79s 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 03:49:50,922 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:49:50,923 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 03:49:50,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:49:59,554 WARN L227 SmtUtils]: Spent 8.59s 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 03:49:59,555 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:49:59,556 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 03:50:08,222 WARN L227 SmtUtils]: Spent 8.51s 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 03:50:08,223 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 03:50:08,224 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 03:50:08,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:08,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:09,326 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 03:50:09,327 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 25970 treesize of output 25984 [2021-11-23 03:50:09,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:09,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:10,381 INFO L354 Elim1Store]: treesize reduction 172, result has 15.3 percent of original size [2021-11-23 03:50:10,382 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 25969 treesize of output 25984 [2021-11-23 03:50:10,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:11,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:11,180 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 03:50:11,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:50:11,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:11,753 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:50:11,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-23 03:50:11,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:11,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:11,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-23 03:50:12,015 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:12,061 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:12,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:12,452 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-23 03:50:12,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-23 03:50:12,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:12,648 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:50:12,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-23 03:50:12,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:12,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:12,873 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-23 03:50:12,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-23 03:50:12,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:12,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:12,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:12,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:12,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:12,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 57 [2021-11-23 03:50:13,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:13,158 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:14,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:14,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:14,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:14,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2779 treesize of output 2335 [2021-11-23 03:50:14,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:14,734 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:14,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:14,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:14,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2679 treesize of output 2241 [2021-11-23 03:50:15,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:15,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:15,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:15,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:15,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 6539 treesize of output 6095 [2021-11-23 03:50:15,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:15,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:15,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:15,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:15,363 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 0 case distinctions, treesize of input 2663 treesize of output 2231 [2021-11-23 03:50:15,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:15,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:15,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:15,855 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:15,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:15,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:16,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:16,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:16,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,314 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-23 03:50:16,314 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 2 case distinctions, treesize of input 2684 treesize of output 2250 [2021-11-23 03:50:16,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,553 INFO L354 Elim1Store]: treesize reduction 70, result has 1.4 percent of original size [2021-11-23 03:50:16,553 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 6560 treesize of output 6098 [2021-11-23 03:50:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:16,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:16,885 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-11-23 03:50:16,900 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-23 03:50:16,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2700 treesize of output 2244 [2021-11-23 03:50:17,018 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:17,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:17,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:17,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:17,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:17,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:17,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:17,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:17,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:17,336 INFO L244 Elim1Store]: Index analysis took 141 ms [2021-11-23 03:50:17,349 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-23 03:50:17,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2800 treesize of output 2338 [2021-11-23 03:50:18,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:18,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:18,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,452 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-11-23 03:50:18,543 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:50:18,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2672 treesize of output 2452 [2021-11-23 03:50:18,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:18,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:18,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,757 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 03:50:18,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 6548 treesize of output 1 [2021-11-23 03:50:18,849 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:18,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:18,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:18,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:18,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:19,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:19,052 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-23 03:50:19,155 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:50:19,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2788 treesize of output 2556 [2021-11-23 03:50:19,218 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:19,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:19,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:19,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:19,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:19,461 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 03:50:19,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2688 treesize of output 1 [2021-11-23 03:50:19,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:19,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:19,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:20,331 INFO L354 Elim1Store]: treesize reduction 365, result has 68.4 percent of original size [2021-11-23 03:50:20,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2672 treesize of output 3023 [2021-11-23 03:50:20,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:20,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:20,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:20,712 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 03:50:20,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 6548 treesize of output 1 [2021-11-23 03:50:20,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:20,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:20,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:20,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:21,456 INFO L354 Elim1Store]: treesize reduction 365, result has 68.7 percent of original size [2021-11-23 03:50:21,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2788 treesize of output 3139 [2021-11-23 03:50:21,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:21,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:21,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:21,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:21,890 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 03:50:21,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2688 treesize of output 1 [2021-11-23 03:50:22,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:22,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:22,510 INFO L244 Elim1Store]: Index analysis took 189 ms [2021-11-23 03:50:24,237 INFO L354 Elim1Store]: treesize reduction 846, result has 54.8 percent of original size [2021-11-23 03:50:24,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2809 treesize of output 3367 [2021-11-23 03:50:24,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:24,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:24,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:24,973 INFO L244 Elim1Store]: Index analysis took 168 ms [2021-11-23 03:50:26,506 INFO L354 Elim1Store]: treesize reduction 847, result has 53.5 percent of original size [2021-11-23 03:50:26,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2709 treesize of output 3222 [2021-11-23 03:50:27,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:27,204 INFO L244 Elim1Store]: Index analysis took 220 ms [2021-11-23 03:50:28,494 INFO L354 Elim1Store]: treesize reduction 2086, result has 10.8 percent of original size [2021-11-23 03:50:28,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 6569 treesize of output 6353 [2021-11-23 03:50:29,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:29,102 INFO L244 Elim1Store]: Index analysis took 199 ms [2021-11-23 03:50:29,444 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-23 03:50:29,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2693 treesize of output 1 [2021-11-23 03:50:30,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:30,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:31,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:31,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:31,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:31,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:31,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:31,300 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:31,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:31,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:31,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,542 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-11-23 03:50:31,544 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 2684 treesize of output 2234 [2021-11-23 03:50:31,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:31,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:31,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 6560 treesize of output 6098 [2021-11-23 03:50:31,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:31,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:31,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:31,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2700 treesize of output 2244 [2021-11-23 03:50:32,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:32,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:32,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:32,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:32,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:32,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:32,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:32,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:32,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2800 treesize of output 2338 [2021-11-23 03:50:32,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:32,654 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:32,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:32,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:32,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:32,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:33,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:33,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:33,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:33,204 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:33,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:33,295 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:33,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:33,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:33,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,583 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-11-23 03:50:33,584 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 2684 treesize of output 2234 [2021-11-23 03:50:33,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:33,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:33,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:33,827 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-23 03:50:33,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 6560 treesize of output 6098 [2021-11-23 03:50:34,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:34,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2700 treesize of output 2244 [2021-11-23 03:50:34,187 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:34,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:34,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:34,536 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-23 03:50:34,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2800 treesize of output 2338 [2021-11-23 03:50:36,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:36,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:36,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:36,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,063 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,180 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,266 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,421 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,593 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,865 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:37,923 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,320 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,423 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,600 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,672 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:38,986 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,096 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,560 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,658 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,797 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:39,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:40,018 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:40,093 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:40,127 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:40,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:40,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:40,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:40,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:40,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:40,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:40,489 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-23 03:50:40,598 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:50:40,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 6492 treesize of output 6288 [2021-11-23 03:50:40,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:40,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:40,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:40,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:40,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:40,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:40,948 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 03:50:40,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2616 treesize of output 1 [2021-11-23 03:50:41,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:41,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:41,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:41,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:41,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:41,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:41,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:41,216 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-23 03:50:41,345 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:50:41,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2732 treesize of output 2528 [2021-11-23 03:50:41,428 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:41,511 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:41,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:41,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:41,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:41,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:41,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:41,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:41,744 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-11-23 03:50:41,782 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 03:50:41,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2632 treesize of output 1 [2021-11-23 03:50:42,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,189 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 0 case distinctions, treesize of input 2611 treesize of output 2241 [2021-11-23 03:50:42,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:42,349 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:42,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:42,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:42,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,492 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 0 case distinctions, treesize of input 2711 treesize of output 2335 [2021-11-23 03:50:42,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:42,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:42,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 6471 treesize of output 6095 [2021-11-23 03:50:42,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:42,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:42,938 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 0 case distinctions, treesize of input 2595 treesize of output 2231 [2021-11-23 03:50:43,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:43,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:43,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:43,397 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 0 case distinctions, treesize of input 2611 treesize of output 2241 [2021-11-23 03:50:43,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:43,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:50:43,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:43,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:43,670 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 0 case distinctions, treesize of input 2711 treesize of output 2335 [2021-11-23 03:50:43,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:43,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:43,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:43,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 6471 treesize of output 6095 [2021-11-23 03:50:44,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:50:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:44,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:44,087 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 0 case distinctions, treesize of input 2595 treesize of output 2231 [2021-11-23 03:50:48,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:48,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:48,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:48,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:48,428 INFO L244 Elim1Store]: Index analysis took 270 ms [2021-11-23 03:50:53,356 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-23 03:50:53,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 169262 treesize of output 169716 [2021-11-23 03:57:31,508 WARN L227 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 3564 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)