./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.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_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/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_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/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_16282c63-b694-4dc7-904a-b7f2e88aee07/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 3db5e6ee1090a5741e563a010c3676d5357df7fec89fabe5a888b2d307357a0e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:25:30,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:25:30,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:25:30,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:25:30,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:25:30,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:25:30,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:25:30,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:25:30,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:25:30,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:25:30,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:25:30,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:25:30,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:25:30,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:25:30,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:25:30,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:25:30,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:25:30,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:25:30,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:25:30,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:25:30,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:25:30,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:25:30,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:25:30,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:25:30,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:25:30,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:25:30,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:25:30,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:25:30,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:25:30,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:25:30,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:25:30,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:25:30,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:25:30,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:25:30,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:25:30,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:25:30,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:25:30,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:25:30,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:25:30,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:25:30,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:25:30,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:25:30,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:25:30,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:25:30,649 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:25:30,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:25:30,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:25:30,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:25:30,651 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:25:30,651 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:25:30,651 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:25:30,651 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:25:30,652 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:25:30,653 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:25:30,653 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:25:30,653 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:25:30,653 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:25:30,654 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:25:30,654 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:25:30,654 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:25:30,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:25:30,655 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:25:30,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:25:30,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:25:30,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:25:30,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:25:30,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:25:30,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:25:30,657 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:25:30,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:25:30,658 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:25:30,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:25:30,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:25:30,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:25:30,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:25:30,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:25:30,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:25:30,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:25:30,660 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:25:30,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:25:30,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:25:30,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:25:30,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:25:30,661 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_16282c63-b694-4dc7-904a-b7f2e88aee07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3db5e6ee1090a5741e563a010c3676d5357df7fec89fabe5a888b2d307357a0e [2021-11-23 03:25:30,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:25:31,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:25:31,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:25:31,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:25:31,009 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:25:31,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i [2021-11-23 03:25:31,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/data/25e7b320f/d0145ab726e74ea7bc27ef51acb092ab/FLAGacade87db [2021-11-23 03:25:31,729 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:25:31,729 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i [2021-11-23 03:25:31,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/data/25e7b320f/d0145ab726e74ea7bc27ef51acb092ab/FLAGacade87db [2021-11-23 03:25:31,901 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/data/25e7b320f/d0145ab726e74ea7bc27ef51acb092ab [2021-11-23 03:25:31,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:25:31,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:25:31,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:25:31,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:25:31,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:25:31,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:31" (1/1) ... [2021-11-23 03:25:31,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d4c614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:31, skipping insertion in model container [2021-11-23 03:25:31,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:31" (1/1) ... [2021-11-23 03:25:31,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:25:32,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:25:32,559 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_16282c63-b694-4dc7-904a-b7f2e88aee07/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i[33022,33035] [2021-11-23 03:25:32,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:25:32,760 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:25:32,816 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_16282c63-b694-4dc7-904a-b7f2e88aee07/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-2.i[33022,33035] [2021-11-23 03:25:32,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:25:33,045 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:25:33,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33 WrapperNode [2021-11-23 03:25:33,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:25:33,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:25:33,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:25:33,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:25:33,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33" (1/1) ... [2021-11-23 03:25:33,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33" (1/1) ... [2021-11-23 03:25:33,277 INFO L137 Inliner]: procedures = 177, calls = 575, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2330 [2021-11-23 03:25:33,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:25:33,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:25:33,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:25:33,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:25:33,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33" (1/1) ... [2021-11-23 03:25:33,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33" (1/1) ... [2021-11-23 03:25:33,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33" (1/1) ... [2021-11-23 03:25:33,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33" (1/1) ... [2021-11-23 03:25:33,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33" (1/1) ... [2021-11-23 03:25:33,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33" (1/1) ... [2021-11-23 03:25:33,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33" (1/1) ... [2021-11-23 03:25:33,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:25:33,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:25:33,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:25:33,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:25:33,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33" (1/1) ... [2021-11-23 03:25:33,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:25:33,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:25:33,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:25:33,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:25:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2021-11-23 03:25:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2021-11-23 03:25:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:25:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:25:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:25:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:25:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:25:33,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:25:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:25:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:25:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:25:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:25:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:25:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:25:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:25:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:25:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:25:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:25:33,849 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:25:33,851 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:25:36,004 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:25:36,982 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:25:36,982 INFO L301 CfgBuilder]: Removed 160 assume(true) statements. [2021-11-23 03:25:36,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:36 BoogieIcfgContainer [2021-11-23 03:25:36,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:25:36,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:25:36,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:25:36,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:25:36,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:25:31" (1/3) ... [2021-11-23 03:25:36,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f47fab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:36, skipping insertion in model container [2021-11-23 03:25:36,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:33" (2/3) ... [2021-11-23 03:25:36,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f47fab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:36, skipping insertion in model container [2021-11-23 03:25:36,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:36" (3/3) ... [2021-11-23 03:25:37,005 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test10-2.i [2021-11-23 03:25:37,012 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:25:37,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:25:37,089 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:25:37,103 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:25:37,104 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:25:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 265 states, 246 states have (on average 1.8252032520325203) internal successors, (449), 251 states have internal predecessors, (449), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-23 03:25:37,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 03:25:37,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:25:37,155 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:25:37,156 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:25:37,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:25:37,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1013260908, now seen corresponding path program 1 times [2021-11-23 03:25:37,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:25:37,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131608812] [2021-11-23 03:25:37,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:37,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:25:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:25:37,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:25:37,424 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:25:37,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131608812] [2021-11-23 03:25:37,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131608812] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:25:37,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:25:37,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:25:37,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947477189] [2021-11-23 03:25:37,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:25:37,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:25:37,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:25:37,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:25:37,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:25:37,479 INFO L87 Difference]: Start difference. First operand has 265 states, 246 states have (on average 1.8252032520325203) internal successors, (449), 251 states have internal predecessors, (449), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:25:38,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:25:38,974 INFO L93 Difference]: Finished difference Result 529 states and 961 transitions. [2021-11-23 03:25:38,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:25:38,979 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 03:25:38,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:25:38,994 INFO L225 Difference]: With dead ends: 529 [2021-11-23 03:25:38,994 INFO L226 Difference]: Without dead ends: 249 [2021-11-23 03:25:39,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:25:39,005 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:25:39,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 288 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 03:25:39,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-11-23 03:25:39,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2021-11-23 03:25:39,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 231 states have (on average 1.199134199134199) internal successors, (277), 236 states have internal predecessors, (277), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:25:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 304 transitions. [2021-11-23 03:25:39,081 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 304 transitions. Word has length 12 [2021-11-23 03:25:39,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:25:39,081 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 304 transitions. [2021-11-23 03:25:39,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:25:39,082 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 304 transitions. [2021-11-23 03:25:39,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:25:39,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:25:39,086 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] [2021-11-23 03:25:39,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:25:39,087 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:25:39,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:25:39,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1808167895, now seen corresponding path program 1 times [2021-11-23 03:25:39,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:25:39,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632504676] [2021-11-23 03:25:39,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:39,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:25:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:25:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:25:39,207 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:25:39,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632504676] [2021-11-23 03:25:39,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632504676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:25:39,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:25:39,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:25:39,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173622030] [2021-11-23 03:25:39,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:25:39,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:25:39,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:25:39,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:25:39,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:25:39,212 INFO L87 Difference]: Start difference. First operand 249 states and 304 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:25:42,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:25:42,126 INFO L93 Difference]: Finished difference Result 425 states and 521 transitions. [2021-11-23 03:25:42,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:25:42,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-23 03:25:42,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:25:42,131 INFO L225 Difference]: With dead ends: 425 [2021-11-23 03:25:42,132 INFO L226 Difference]: Without dead ends: 276 [2021-11-23 03:25:42,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:25:42,135 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 27 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:25:42,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 770 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-23 03:25:42,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-11-23 03:25:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 251. [2021-11-23 03:25:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 233 states have (on average 1.1974248927038627) internal successors, (279), 238 states have internal predecessors, (279), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:25:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 306 transitions. [2021-11-23 03:25:42,181 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 306 transitions. Word has length 24 [2021-11-23 03:25:42,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:25:42,181 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 306 transitions. [2021-11-23 03:25:42,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:25:42,182 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 306 transitions. [2021-11-23 03:25:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 03:25:42,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:25:42,185 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:25:42,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:25:42,186 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:25:42,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:25:42,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1787107309, now seen corresponding path program 1 times [2021-11-23 03:25:42,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:25:42,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096354065] [2021-11-23 03:25:42,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:42,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:25:42,224 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:25:42,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [497504370] [2021-11-23 03:25:42,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:42,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:25:42,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:25:42,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:25:42,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:25:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:25:42,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:25:42,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:25:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:25:42,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:25:42,850 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:25:42,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096354065] [2021-11-23 03:25:42,850 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:25:42,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497504370] [2021-11-23 03:25:42,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497504370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:25:42,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:25:42,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:25:42,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643735403] [2021-11-23 03:25:42,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:25:42,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:25:42,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:25:42,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:25:42,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:25:42,854 INFO L87 Difference]: Start difference. First operand 251 states and 306 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:25:45,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:25:46,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:25:46,031 INFO L93 Difference]: Finished difference Result 614 states and 746 transitions. [2021-11-23 03:25:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:25:46,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-23 03:25:46,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:25:46,036 INFO L225 Difference]: With dead ends: 614 [2021-11-23 03:25:46,036 INFO L226 Difference]: Without dead ends: 366 [2021-11-23 03:25:46,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:25:46,039 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 120 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:25:46,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 532 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 03:25:46,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-23 03:25:46,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2021-11-23 03:25:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.1799410029498525) internal successors, (400), 344 states have internal predecessors, (400), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-23 03:25:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 437 transitions. [2021-11-23 03:25:46,068 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 437 transitions. Word has length 49 [2021-11-23 03:25:46,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:25:46,068 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 437 transitions. [2021-11-23 03:25:46,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:25:46,069 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 437 transitions. [2021-11-23 03:25:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 03:25:46,073 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:25:46,073 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:25:46,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:25:46,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:25:46,287 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:25:46,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:25:46,288 INFO L85 PathProgramCache]: Analyzing trace with hash -338981431, now seen corresponding path program 1 times [2021-11-23 03:25:46,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:25:46,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390726453] [2021-11-23 03:25:46,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:46,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:25:46,317 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:25:46,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859546971] [2021-11-23 03:25:46,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:46,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:25:46,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:25:46,330 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:25:46,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:25:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:25:46,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:25:46,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:25:46,834 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 03:25:46,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-23 03:25:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:25:47,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:25:47,091 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:25:47,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390726453] [2021-11-23 03:25:47,092 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:25:47,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859546971] [2021-11-23 03:25:47,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859546971] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:25:47,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:25:47,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:25:47,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429673871] [2021-11-23 03:25:47,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:25:47,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:25:47,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:25:47,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:25:47,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:25:47,096 INFO L87 Difference]: Start difference. First operand 362 states and 437 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:25:51,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:25:51,297 INFO L93 Difference]: Finished difference Result 674 states and 815 transitions. [2021-11-23 03:25:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:25:51,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2021-11-23 03:25:51,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:25:51,300 INFO L225 Difference]: With dead ends: 674 [2021-11-23 03:25:51,300 INFO L226 Difference]: Without dead ends: 362 [2021-11-23 03:25:51,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:25:51,303 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 12 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:25:51,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 772 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-23 03:25:51,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-11-23 03:25:51,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-11-23 03:25:51,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.176991150442478) internal successors, (399), 344 states have internal predecessors, (399), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-23 03:25:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 436 transitions. [2021-11-23 03:25:51,323 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 436 transitions. Word has length 62 [2021-11-23 03:25:51,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:25:51,324 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 436 transitions. [2021-11-23 03:25:51,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:25:51,324 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 436 transitions. [2021-11-23 03:25:51,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 03:25:51,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:25:51,329 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:25:51,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:25:51,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:25:51,543 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:25:51,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:25:51,544 INFO L85 PathProgramCache]: Analyzing trace with hash -334329145, now seen corresponding path program 1 times [2021-11-23 03:25:51,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:25:51,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559060566] [2021-11-23 03:25:51,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:51,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:25:51,583 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:25:51,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2144270620] [2021-11-23 03:25:51,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:51,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:25:51,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:25:51,586 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:25:51,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:25:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:25:52,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:25:52,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:25:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:25:52,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:25:52,310 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:25:52,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559060566] [2021-11-23 03:25:52,313 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:25:52,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144270620] [2021-11-23 03:25:52,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144270620] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:25:52,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:25:52,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:25:52,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138734221] [2021-11-23 03:25:52,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:25:52,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:25:52,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:25:52,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:25:52,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:25:52,316 INFO L87 Difference]: Start difference. First operand 362 states and 436 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:25:54,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:25:54,925 INFO L93 Difference]: Finished difference Result 820 states and 988 transitions. [2021-11-23 03:25:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:25:54,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2021-11-23 03:25:54,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:25:54,930 INFO L225 Difference]: With dead ends: 820 [2021-11-23 03:25:54,930 INFO L226 Difference]: Without dead ends: 484 [2021-11-23 03:25:54,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:25:54,932 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 110 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:25:54,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 530 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 03:25:54,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2021-11-23 03:25:54,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 429. [2021-11-23 03:25:54,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 403 states have (on average 1.1687344913151365) internal successors, (471), 408 states have internal predecessors, (471), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-23 03:25:54,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 514 transitions. [2021-11-23 03:25:54,962 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 514 transitions. Word has length 83 [2021-11-23 03:25:54,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:25:54,962 INFO L470 AbstractCegarLoop]: Abstraction has 429 states and 514 transitions. [2021-11-23 03:25:54,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:25:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 514 transitions. [2021-11-23 03:25:54,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 03:25:54,966 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:25:54,967 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:25:55,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:25:55,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:25:55,195 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:25:55,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:25:55,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1903584894, now seen corresponding path program 1 times [2021-11-23 03:25:55,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:25:55,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783170465] [2021-11-23 03:25:55,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:55,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:25:55,226 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:25:55,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [592217705] [2021-11-23 03:25:55,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:55,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:25:55,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:25:55,228 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:25:55,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:25:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:25:55,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:25:55,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:25:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 03:25:55,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:25:55,896 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:25:55,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783170465] [2021-11-23 03:25:55,897 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:25:55,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592217705] [2021-11-23 03:25:55,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592217705] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:25:55,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:25:55,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:25:55,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274960388] [2021-11-23 03:25:55,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:25:55,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:25:55,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:25:55,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:25:55,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:25:55,900 INFO L87 Difference]: Start difference. First operand 429 states and 514 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:25:57,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:25:57,310 INFO L93 Difference]: Finished difference Result 719 states and 867 transitions. [2021-11-23 03:25:57,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:25:57,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 96 [2021-11-23 03:25:57,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:25:57,315 INFO L225 Difference]: With dead ends: 719 [2021-11-23 03:25:57,315 INFO L226 Difference]: Without dead ends: 351 [2021-11-23 03:25:57,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:25:57,318 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 438 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:25:57,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 334 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 03:25:57,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-23 03:25:57,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-23 03:25:57,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 330 states have (on average 1.1666666666666667) internal successors, (385), 335 states have internal predecessors, (385), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:25:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 418 transitions. [2021-11-23 03:25:57,342 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 418 transitions. Word has length 96 [2021-11-23 03:25:57,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:25:57,343 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 418 transitions. [2021-11-23 03:25:57,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:25:57,343 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 418 transitions. [2021-11-23 03:25:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 03:25:57,345 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:25:57,345 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:25:57,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 03:25:57,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:25:57,559 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:25:57,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:25:57,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1222209427, now seen corresponding path program 1 times [2021-11-23 03:25:57,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:25:57,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774304539] [2021-11-23 03:25:57,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:57,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:25:57,599 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:25:57,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127681674] [2021-11-23 03:25:57,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:25:57,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:25:57,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:25:57,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:25:57,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 03:33:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:36,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:33:36,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:33:37,103 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 03:33:37,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:33:37,103 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:37,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774304539] [2021-11-23 03:33:37,104 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:33:37,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127681674] [2021-11-23 03:33:37,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127681674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:33:37,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:33:37,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:33:37,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097060228] [2021-11-23 03:33:37,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:37,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:33:37,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:37,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:33:37,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:33:37,105 INFO L87 Difference]: Start difference. First operand 351 states and 418 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:33:41,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:33:41,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:41,326 INFO L93 Difference]: Finished difference Result 684 states and 823 transitions. [2021-11-23 03:33:41,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:33:41,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 103 [2021-11-23 03:33:41,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:41,329 INFO L225 Difference]: With dead ends: 684 [2021-11-23 03:33:41,329 INFO L226 Difference]: Without dead ends: 353 [2021-11-23 03:33:41,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:33:41,331 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 1 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:41,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 806 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-23 03:33:41,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-23 03:33:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-23 03:33:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 331 states have (on average 1.1691842900302114) internal successors, (387), 337 states have internal predecessors, (387), 17 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (19), 13 states have call predecessors, (19), 16 states have call successors, (19) [2021-11-23 03:33:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 423 transitions. [2021-11-23 03:33:41,351 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 423 transitions. Word has length 103 [2021-11-23 03:33:41,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:41,352 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 423 transitions. [2021-11-23 03:33:41,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:33:41,352 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 423 transitions. [2021-11-23 03:33:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 03:33:41,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:41,354 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:41,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 03:33:41,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:33:41,579 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:41,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:41,580 INFO L85 PathProgramCache]: Analyzing trace with hash 221127857, now seen corresponding path program 1 times [2021-11-23 03:33:41,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:41,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222659979] [2021-11-23 03:33:41,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:41,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:41,600 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:33:41,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126365552] [2021-11-23 03:33:41,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:41,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:33:41,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:33:41,602 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:33:41,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16282c63-b694-4dc7-904a-b7f2e88aee07/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 03:36:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:58,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:36:58,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:36:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 03:36:58,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:36:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 03:36:58,529 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:58,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222659979] [2021-11-23 03:36:58,529 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:36:58,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126365552] [2021-11-23 03:36:58,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126365552] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:36:58,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1508165656] [2021-11-23 03:36:58,557 INFO L159 IcfgInterpreter]: Started Sifa with 93 locations of interest [2021-11-23 03:36:58,557 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:36:58,562 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:36:58,567 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:36:58,568 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:36:58,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:58,857 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 03:36:58,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-23 03:36:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:58,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 03:36:58,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:36:58,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:36:58,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:58,911 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 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 03:36:58,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:58,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 03:36:58,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:58,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:58,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:58,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:58,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,042 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:36:59,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-23 03:36:59,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,107 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:36:59,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-23 03:36:59,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,129 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 03:36:59,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 30 [2021-11-23 03:36:59,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:36:59,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 80 [2021-11-23 03:36:59,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,570 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 81 treesize of output 79 [2021-11-23 03:36:59,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:36:59,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:36:59,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:36:59,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2021-11-23 03:36:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 03:36:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 03:36:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 03:36:59,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-23 03:36:59,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,950 INFO L354 Elim1Store]: treesize reduction 170, result has 24.8 percent of original size [2021-11-23 03:36:59,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 127 treesize of output 163 [2021-11-23 03:36:59,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:36:59,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,010 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 03:37:00,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 145 treesize of output 156 [2021-11-23 03:37:00,172 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 03:37:00,177 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 03:37:00,182 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 03:37:00,228 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:37:00,229 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 03:37:00,259 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 03:37:00,259 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 03:37:00,287 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:37:00,287 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 03:37:00,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:37:00,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 03:37:00,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:37:00,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 03:37:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,424 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 03:37:00,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:37:00,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:37:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 03:37:00,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:00,637 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 03:37:08,184 WARN L227 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:37:08,186 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:37:08,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2863 treesize of output 2340 [2021-11-23 03:37:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:19,772 WARN L227 SmtUtils]: Spent 11.54s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:37:19,773 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:37:19,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2964 treesize of output 2682 [2021-11-23 03:37:32,299 WARN L227 SmtUtils]: Spent 12.37s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:37:32,300 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 03:37:32,301 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 2868 treesize of output 2698 [2021-11-23 03:37:32,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:32,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:34,109 INFO L354 Elim1Store]: treesize reduction 156, result has 23.2 percent of original size [2021-11-23 03:37:34,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25966 treesize of output 25997 [2021-11-23 03:37:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:34,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:35,202 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 03:37:35,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 25976 treesize of output 25990 [2021-11-23 03:37:35,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:35,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:35,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:36,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:36,229 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 03:37:36,230 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 36 treesize of output 20 [2021-11-23 03:37:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:36,664 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:37:36,664 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 53 treesize of output 63 [2021-11-23 03:37:36,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,053 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,617 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:37,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:37,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:37,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:37,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:37,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:37,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:37,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:37,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:38,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:38,000 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-11-23 03:37:38,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-23 03:37:38,117 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,289 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,779 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:38,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:39,059 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:39,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:39,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:39,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:39,206 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:39,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:39,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:39,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:39,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:39,484 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:39,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,020 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,395 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,499 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,615 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,853 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:40,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,249 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,383 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,781 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,923 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,963 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:41,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:42,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:42,046 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:42,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:42,407 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:42,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:42,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:42,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:42,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:42,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:42,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:42,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:42,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:42,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 817 treesize of output 369 [2021-11-23 03:37:42,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:42,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:42,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:42,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:42,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 796 treesize of output 366 [2021-11-23 03:37:42,869 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:42,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:43,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:43,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:43,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:43,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:43,141 INFO L244 Elim1Store]: Index analysis took 152 ms [2021-11-23 03:37:43,155 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-23 03:37:43,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 817 treesize of output 369 [2021-11-23 03:37:43,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:43,614 INFO L244 Elim1Store]: Index analysis took 275 ms [2021-11-23 03:37:45,397 INFO L354 Elim1Store]: treesize reduction 868, result has 53.3 percent of original size [2021-11-23 03:37:45,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 826 treesize of output 1360 [2021-11-23 03:37:45,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:45,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:46,166 INFO L354 Elim1Store]: treesize reduction 723, result has 37.3 percent of original size [2021-11-23 03:37:46,167 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 805 treesize of output 799 [2021-11-23 03:37:46,213 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:46,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:46,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:46,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:46,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:46,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:46,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:46,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:46,472 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-11-23 03:37:46,675 INFO L354 Elim1Store]: treesize reduction 4, result has 98.2 percent of original size [2021-11-23 03:37:46,676 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 805 treesize of output 583 [2021-11-23 03:37:46,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:46,882 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:46,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:47,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:47,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:47,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:47,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,175 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-11-23 03:37:47,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 817 treesize of output 369 [2021-11-23 03:37:47,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:47,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,611 INFO L244 Elim1Store]: Index analysis took 138 ms [2021-11-23 03:37:47,773 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:37:47,773 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 749 treesize of output 559 [2021-11-23 03:37:47,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:47,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:47,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:47,969 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 728 treesize of output 366 [2021-11-23 03:37:48,059 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:48,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:48,228 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:48,328 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:48,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:48,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:48,558 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:48,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:48,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:48,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,212 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,310 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,350 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,396 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:49,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:49,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:49,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:49,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:37:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:49,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:49,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:49,741 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-11-23 03:37:49,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-23 03:37:49,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:49,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,074 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,385 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,626 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:50,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,091 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,190 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,447 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,478 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:51,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,304 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,430 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,577 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:52,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,272 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,513 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,540 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,698 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:53,998 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,061 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,136 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,227 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,341 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,565 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,676 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:54,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:55,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:55,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:55,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:55,904 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,451 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,489 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:56,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,091 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,155 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,173 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,274 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,385 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,558 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,629 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,648 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,781 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:57,865 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,333 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,503 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,779 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,838 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,866 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:58,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,103 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,603 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,671 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,719 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:37:59,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:00,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:00,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:00,130 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:00,172 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:00,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:00,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:00,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:01,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:01,338 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 57 treesize of output 41 [2021-11-23 03:38:01,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:01,419 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:01,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:01,573 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:38:01,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-23 03:38:01,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:01,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:01,737 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-23 03:38:01,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-23 03:38:01,925 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:01,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:01,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:02,014 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 81 treesize of output 59 [2021-11-23 03:38:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:04,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:04,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:05,027 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-23 03:38:05,027 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 81556 treesize of output 81570 [2021-11-23 03:38:20,456 INFO L190 IndexEqualityManager]: detected not equals via solver