./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/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_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:11:46,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:11:46,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:11:46,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:11:46,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:11:46,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:11:46,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:11:46,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:11:46,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:11:46,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:11:46,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:11:46,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:11:46,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:11:46,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:11:46,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:11:46,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:11:46,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:11:46,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:11:46,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:11:46,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:11:46,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:11:46,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:11:46,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:11:46,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:11:46,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:11:46,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:11:46,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:11:46,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:11:46,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:11:46,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:11:46,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:11:46,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:11:46,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:11:46,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:11:46,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:11:46,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:11:46,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:11:46,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:11:46,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:11:46,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:11:46,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:11:46,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:11:46,634 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:11:46,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:11:46,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:11:46,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:11:46,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:11:46,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:11:46,646 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:11:46,647 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:11:46,647 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:11:46,647 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:11:46,648 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:11:46,649 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:11:46,649 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:11:46,649 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:11:46,650 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:11:46,650 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:11:46,650 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:11:46,651 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:11:46,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:11:46,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:11:46,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:11:46,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:11:46,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:11:46,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:11:46,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:11:46,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:11:46,655 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:11:46,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:11:46,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:11:46,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:11:46,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:11:46,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:11:46,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:11:46,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:11:46,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:11:46,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:11:46,658 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:11:46,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:11:46,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:11:46,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:11:46,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:11:46,660 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_feeb8877-dc27-4f4d-ad72-58ac686de2b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c [2021-11-23 02:11:46,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:11:47,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:11:47,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:11:47,015 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:11:47,016 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:11:47,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2021-11-23 02:11:47,125 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/data/897784e38/9dd34135ec104d99b4d26a73956d8eaa/FLAG5a881b2d9 [2021-11-23 02:11:47,885 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:11:47,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2021-11-23 02:11:47,935 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/data/897784e38/9dd34135ec104d99b4d26a73956d8eaa/FLAG5a881b2d9 [2021-11-23 02:11:48,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/data/897784e38/9dd34135ec104d99b4d26a73956d8eaa [2021-11-23 02:11:48,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:11:48,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:11:48,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:11:48,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:11:48,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:11:48,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:11:48" (1/1) ... [2021-11-23 02:11:48,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446c5678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:48, skipping insertion in model container [2021-11-23 02:11:48,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:11:48" (1/1) ... [2021-11-23 02:11:48,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:11:48,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:11:48,761 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_feeb8877-dc27-4f4d-ad72-58ac686de2b9/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i[33021,33034] [2021-11-23 02:11:48,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:11:48,971 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:11:49,032 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_feeb8877-dc27-4f4d-ad72-58ac686de2b9/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i[33021,33034] [2021-11-23 02:11:49,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:11:49,158 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:11:49,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49 WrapperNode [2021-11-23 02:11:49,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:11:49,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:11:49,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:11:49,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:11:49,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49" (1/1) ... [2021-11-23 02:11:49,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49" (1/1) ... [2021-11-23 02:11:49,272 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 776 [2021-11-23 02:11:49,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:11:49,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:11:49,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:11:49,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:11:49,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49" (1/1) ... [2021-11-23 02:11:49,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49" (1/1) ... [2021-11-23 02:11:49,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49" (1/1) ... [2021-11-23 02:11:49,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49" (1/1) ... [2021-11-23 02:11:49,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49" (1/1) ... [2021-11-23 02:11:49,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49" (1/1) ... [2021-11-23 02:11:49,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49" (1/1) ... [2021-11-23 02:11:49,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:11:49,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:11:49,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:11:49,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:11:49,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49" (1/1) ... [2021-11-23 02:11:49,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:11:49,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:11:49,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:11:49,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:11:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:11:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:11:49,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:11:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:11:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:11:49,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:11:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:11:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:11:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:11:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:11:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:11:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:11:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:11:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:11:49,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:11:49,874 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:11:49,876 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:11:50,934 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:11:51,275 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:11:51,275 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-23 02:11:51,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:51 BoogieIcfgContainer [2021-11-23 02:11:51,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:11:51,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:11:51,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:11:51,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:11:51,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:11:48" (1/3) ... [2021-11-23 02:11:51,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6caf97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:11:51, skipping insertion in model container [2021-11-23 02:11:51,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:49" (2/3) ... [2021-11-23 02:11:51,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6caf97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:11:51, skipping insertion in model container [2021-11-23 02:11:51,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:51" (3/3) ... [2021-11-23 02:11:51,288 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test1-2.i [2021-11-23 02:11:51,295 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:11:51,295 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:11:51,353 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:11:51,362 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:11:51,362 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:11:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:11:51,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 02:11:51,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:11:51,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:11:51,394 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:11:51,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:11:51,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1739953547, now seen corresponding path program 1 times [2021-11-23 02:11:51,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:11:51,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243529442] [2021-11-23 02:11:51,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:11:51,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:11:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:11:51,625 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 02:11:51,626 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:11:51,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243529442] [2021-11-23 02:11:51,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243529442] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:11:51,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:11:51,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:11:51,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522830007] [2021-11-23 02:11:51,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:11:51,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:11:51,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:11:51,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:11:51,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:11:51,675 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:11:53,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:11:53,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:11:53,649 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2021-11-23 02:11:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:11:53,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-23 02:11:53,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:11:53,692 INFO L225 Difference]: With dead ends: 237 [2021-11-23 02:11:53,693 INFO L226 Difference]: Without dead ends: 128 [2021-11-23 02:11:53,697 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 02:11:53,702 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:11:53,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 217 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 02:11:53,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-23 02:11:53,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-23 02:11:53,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:11:53,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2021-11-23 02:11:53,766 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2021-11-23 02:11:53,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:11:53,767 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2021-11-23 02:11:53,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:11:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2021-11-23 02:11:53,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 02:11:53,771 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:11:53,771 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:11:53,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:11:53,772 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:11:53,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:11:53,773 INFO L85 PathProgramCache]: Analyzing trace with hash -976039302, now seen corresponding path program 1 times [2021-11-23 02:11:53,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:11:53,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914657532] [2021-11-23 02:11:53,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:11:53,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:11:53,800 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:11:53,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355034815] [2021-11-23 02:11:53,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:11:53,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:11:53,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:11:53,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:11:53,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:11:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:11:54,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:11:54,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:11:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:11:54,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:11:54,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:11:54,424 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:11:54,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914657532] [2021-11-23 02:11:54,432 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:11:54,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355034815] [2021-11-23 02:11:54,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355034815] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:11:54,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1496622635] [2021-11-23 02:11:54,483 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-11-23 02:11:54,483 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:11:54,499 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:11:54,507 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:11:54,509 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:11:54,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:54,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:11:54,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:54,706 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:11:54,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-23 02:11:54,761 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:11:54,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-23 02:11:54,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:54,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-23 02:11:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:54,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-23 02:11:54,904 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:11:54,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-23 02:11:55,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:11:55,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,462 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 02:11:55,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,499 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 02:11:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:11:55,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:11:55,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:11:55,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,960 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 02:11:55,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:11:55,989 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 02:11:56,017 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:11:57,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1496622635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:11:57,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 02:11:57,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-23 02:11:57,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729583170] [2021-11-23 02:11:57,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:11:57,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:11:57,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:11:57,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:11:57,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:11:57,217 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:11:59,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:12:00,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:12:04,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:12:04,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:12:04,696 INFO L93 Difference]: Finished difference Result 173 states and 232 transitions. [2021-11-23 02:12:04,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 02:12:04,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-23 02:12:04,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:12:04,734 INFO L225 Difference]: With dead ends: 173 [2021-11-23 02:12:04,734 INFO L226 Difference]: Without dead ends: 94 [2021-11-23 02:12:04,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:12:04,737 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 8 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:12:04,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 333 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2021-11-23 02:12:04,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-23 02:12:04,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2021-11-23 02:12:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:12:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2021-11-23 02:12:04,757 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2021-11-23 02:12:04,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:12:04,757 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2021-11-23 02:12:04,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:12:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-23 02:12:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 02:12:04,760 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:12:04,761 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:12:04,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:12:04,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:12:04,976 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:12:04,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:12:04,977 INFO L85 PathProgramCache]: Analyzing trace with hash 720340601, now seen corresponding path program 1 times [2021-11-23 02:12:04,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:12:04,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382800774] [2021-11-23 02:12:04,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:12:04,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:12:05,007 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:12:05,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [94103874] [2021-11-23 02:12:05,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:12:05,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:12:05,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:12:05,012 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:12:05,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:12:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:12:05,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:12:05,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:12:05,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:12:05,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:12:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:12:05,623 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:12:05,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382800774] [2021-11-23 02:12:05,624 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:12:05,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94103874] [2021-11-23 02:12:05,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94103874] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:12:05,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [78783946] [2021-11-23 02:12:05,629 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-23 02:12:05,629 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:12:05,630 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:12:05,630 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:12:05,631 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:12:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:05,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:05,707 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:12:05,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-23 02:12:05,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:05,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-23 02:12:05,767 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:12:05,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-23 02:12:05,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:05,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-23 02:12:05,845 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:12:05,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-23 02:12:06,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:12:06,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:12:06,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,226 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 02:12:06,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,251 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 02:12:06,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-23 02:12:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:12:06,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:12:06,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,433 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 02:12:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,466 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 100 treesize of output 105 [2021-11-23 02:12:06,526 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 02:12:06,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 125 [2021-11-23 02:12:06,610 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 02:12:06,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 116 treesize of output 119 [2021-11-23 02:12:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:06,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:12:07,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:12:07,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,349 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 02:12:07,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,372 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 02:12:07,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:12:07,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-23 02:12:07,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:12:07,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:12:07,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,568 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 02:12:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,597 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 100 treesize of output 105 [2021-11-23 02:12:07,707 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 02:12:07,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 117 treesize of output 150 [2021-11-23 02:12:07,763 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 02:12:07,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 143 [2021-11-23 02:12:07,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:07,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:12:07,879 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-23 02:12:07,958 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:12:10,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [78783946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:12:10,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 02:12:10,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-23 02:12:10,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719488672] [2021-11-23 02:12:10,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:12:10,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 02:12:10,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:12:10,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 02:12:10,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 02:12:10,151 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:12:13,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:12:13,028 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2021-11-23 02:12:13,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 02:12:13,043 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-11-23 02:12:13,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:12:13,045 INFO L225 Difference]: With dead ends: 175 [2021-11-23 02:12:13,045 INFO L226 Difference]: Without dead ends: 96 [2021-11-23 02:12:13,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 02:12:13,048 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 12 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 110 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:12:13,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 444 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 132 Invalid, 0 Unknown, 110 Unchecked, 2.8s Time] [2021-11-23 02:12:13,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-23 02:12:13,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-23 02:12:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-23 02:12:13,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2021-11-23 02:12:13,068 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2021-11-23 02:12:13,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:12:13,069 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2021-11-23 02:12:13,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:12:13,069 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-23 02:12:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 02:12:13,072 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:12:13,072 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:12:13,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:12:13,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:12:13,275 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:12:13,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:12:13,275 INFO L85 PathProgramCache]: Analyzing trace with hash 659673767, now seen corresponding path program 1 times [2021-11-23 02:12:13,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:12:13,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127027923] [2021-11-23 02:12:13,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:12:13,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:12:13,293 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:12:13,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539002788] [2021-11-23 02:12:13,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:12:13,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:12:13,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:12:13,301 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:12:13,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feeb8877-dc27-4f4d-ad72-58ac686de2b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:12:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:12:13,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:12:13,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:12:13,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 02:12:13,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:12:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 02:12:13,840 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:12:13,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127027923] [2021-11-23 02:12:13,840 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:12:13,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539002788] [2021-11-23 02:12:13,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539002788] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:12:13,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [151471202] [2021-11-23 02:12:13,845 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-23 02:12:13,846 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:12:13,846 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:12:13,847 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:12:13,847 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:12:13,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:13,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-23 02:12:13,935 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:12:13,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-23 02:12:13,986 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:12:13,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-23 02:12:13,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:13,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:14,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-23 02:12:14,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-23 02:12:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:12:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,345 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 02:12:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,363 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 02:12:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:12:14,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:12:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:12:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-23 02:12:14,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,535 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 02:12:14,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,564 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 100 treesize of output 105 [2021-11-23 02:12:14,670 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 02:12:14,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 117 treesize of output 150 [2021-11-23 02:12:14,724 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 02:12:14,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 143 [2021-11-23 02:12:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:14,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:12:14,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:12:14,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:12:14,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:12:14,942 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:12:14,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-23 02:12:14,974 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:12:14,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-23 02:12:15,003 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:12:15,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-23 02:12:15,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 02:12:15,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:12:15,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:12:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,129 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 02:12:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 02:12:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:12:15,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,316 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 02:12:15,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 02:12:15,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:15,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:12:23,780 WARN L227 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:12:23,781 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:12:23,781 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 2853 treesize of output 2330 [2021-11-23 02:12:23,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:38,109 WARN L227 SmtUtils]: Spent 14.27s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:12:38,110 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:12:38,111 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 2954 treesize of output 2672 [2021-11-23 02:12:51,257 WARN L227 SmtUtils]: Spent 13.01s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:12:51,259 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 02:12:51,260 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 2922 treesize of output 2692 [2021-11-23 02:12:52,795 INFO L354 Elim1Store]: treesize reduction 126, result has 25.0 percent of original size [2021-11-23 02:12:52,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 25960 treesize of output 25988 [2021-11-23 02:12:53,515 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 02:12:53,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 25970 treesize of output 25981 [2021-11-23 02:12:54,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:12:54,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:54,451 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 02:12:54,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 02:12:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:54,871 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:12:54,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-23 02:12:55,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:55,124 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 02:12:55,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 02:12:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:55,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:55,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 02:12:55,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:55,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:55,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-11-23 02:12:55,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:12:55,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:55,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-23 02:12:55,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:56,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:56,486 INFO L354 Elim1Store]: treesize reduction 20, result has 62.3 percent of original size [2021-11-23 02:12:56,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 77 [2021-11-23 02:12:56,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:56,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:56,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:56,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:56,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2021-11-23 02:12:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:56,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:56,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:56,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-11-23 02:12:56,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:12:58,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:58,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:58,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:58,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:58,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3011 treesize of output 2647 [2021-11-23 02:12:58,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:58,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:58,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:58,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:58,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:58,440 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 6927 treesize of output 6551 [2021-11-23 02:12:58,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:58,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:58,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:58,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:58,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3167 treesize of output 2791 [2021-11-23 02:12:58,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:12:58,875 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:12:59,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:59,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:59,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:59,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:59,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3067 treesize of output 2697 [2021-11-23 02:12:59,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:12:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:12:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:00,256 INFO L354 Elim1Store]: treesize reduction 430, result has 62.8 percent of original size [2021-11-23 02:13:00,256 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 3 case distinctions, treesize of input 3088 treesize of output 3374 [2021-11-23 02:13:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:00,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:00,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:00,636 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-23 02:13:00,766 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 02:13:00,766 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 3 case distinctions, treesize of input 3144 treesize of output 2700 [2021-11-23 02:13:00,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:13:00,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:13:01,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:01,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:01,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:01,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:01,191 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-11-23 02:13:01,925 INFO L354 Elim1Store]: treesize reduction 430, result has 63.2 percent of original size [2021-11-23 02:13:01,926 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 3 case distinctions, treesize of input 3244 treesize of output 3530 [2021-11-23 02:13:02,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:02,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:02,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:02,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:02,412 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 02:13:02,412 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 4 case distinctions, treesize of input 7004 treesize of output 6554 [2021-11-23 02:13:03,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:03,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:03,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:03,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:03,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:03,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:03,678 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 02:13:03,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 6948 treesize of output 6554 [2021-11-23 02:13:03,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:13:03,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:04,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,090 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-11-23 02:13:04,122 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 02:13:04,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3188 treesize of output 2794 [2021-11-23 02:13:04,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:13:04,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:04,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,462 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 02:13:04,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3088 treesize of output 2700 [2021-11-23 02:13:04,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:04,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:04,728 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 02:13:04,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3032 treesize of output 2650 [2021-11-23 02:13:05,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:05,341 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-11-23 02:13:08,312 INFO L354 Elim1Store]: treesize reduction 1010, result has 56.8 percent of original size [2021-11-23 02:13:08,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 7025 treesize of output 7885 [2021-11-23 02:13:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:09,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:09,900 INFO L244 Elim1Store]: Index analysis took 177 ms [2021-11-23 02:13:10,192 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 02:13:10,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 3165 treesize of output 1 [2021-11-23 02:13:10,280 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:13:10,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:13:10,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:10,808 INFO L244 Elim1Store]: Index analysis took 278 ms [2021-11-23 02:13:13,634 INFO L354 Elim1Store]: treesize reduction 560, result has 70.1 percent of original size [2021-11-23 02:13:13,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3265 treesize of output 4109 [2021-11-23 02:13:17,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:17,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:17,286 INFO L244 Elim1Store]: Index analysis took 175 ms [2021-11-23 02:13:17,530 INFO L354 Elim1Store]: treesize reduction 1810, result has 0.1 percent of original size [2021-11-23 02:13:17,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 3109 treesize of output 1 [2021-11-23 02:13:21,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:21,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:21,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3011 treesize of output 2647 [2021-11-23 02:13:21,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:21,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:21,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:21,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:21,572 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 6927 treesize of output 6551 [2021-11-23 02:13:21,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:21,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:21,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:21,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3167 treesize of output 2791 [2021-11-23 02:13:22,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:13:22,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:13:22,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:22,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:22,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:22,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3067 treesize of output 2697 [2021-11-23 02:13:22,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:22,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:22,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:22,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:22,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:22,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:22,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:22,894 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-11-23 02:13:22,918 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 02:13:22,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3088 treesize of output 2650 [2021-11-23 02:13:23,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:23,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,163 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-11-23 02:13:23,188 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 02:13:23,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3144 treesize of output 2700 [2021-11-23 02:13:23,302 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:13:23,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:13:23,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:23,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:23,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,583 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-11-23 02:13:23,601 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 02:13:23,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3244 treesize of output 2794 [2021-11-23 02:13:23,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:23,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:13:23,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:23,945 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-11-23 02:13:23,966 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 02:13:23,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 7004 treesize of output 6554 [2021-11-23 02:13:27,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:27,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:27,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:27,930 INFO L244 Elim1Store]: Index analysis took 187 ms [2021-11-23 02:13:32,991 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-23 02:13:32,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 186662 treesize of output 186208 [2021-11-23 02:24:59,360 WARN L227 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 4884 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)