./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/max20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/reducercommutativity/max20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da9ac0c3f4abc9a6d9e8b4bf1276cf60fb65e65c55d9f94968d51682bf71ef87 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:56:46,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:56:46,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:56:46,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:56:46,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:56:46,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:56:46,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:56:46,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:56:46,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:56:46,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:56:46,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:56:46,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:56:46,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:56:46,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:56:46,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:56:46,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:56:46,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:56:46,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:56:46,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:56:46,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:56:46,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:56:46,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:56:46,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:56:46,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:56:46,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:56:46,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:56:46,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:56:46,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:56:46,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:56:46,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:56:46,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:56:46,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:56:46,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:56:46,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:56:46,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:56:46,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:56:46,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:56:46,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:56:46,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:56:46,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:56:46,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:56:46,704 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:56:46,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:56:46,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:56:46,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:56:46,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:56:46,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:56:46,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:56:46,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:56:46,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:56:46,776 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:56:46,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:56:46,779 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:56:46,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:56:46,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:56:46,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:56:46,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:56:46,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:56:46,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:56:46,781 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:56:46,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:56:46,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:56:46,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:56:46,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:56:46,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:56:46,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:56:46,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:56:46,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:56:46,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:56:46,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:56:46,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:56:46,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:56:46,786 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:56:46,786 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:56:46,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:56:46,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:56:46,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da9ac0c3f4abc9a6d9e8b4bf1276cf60fb65e65c55d9f94968d51682bf71ef87 [2021-11-20 06:56:47,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:56:47,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:56:47,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:56:47,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:56:47,178 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:56:47,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/reducercommutativity/max20-1.i [2021-11-20 06:56:47,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/data/7e7bb78f5/eb737d5b931543f78234bf50d332264e/FLAGa3bd921a5 [2021-11-20 06:56:47,866 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:56:47,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/sv-benchmarks/c/reducercommutativity/max20-1.i [2021-11-20 06:56:47,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/data/7e7bb78f5/eb737d5b931543f78234bf50d332264e/FLAGa3bd921a5 [2021-11-20 06:56:48,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/data/7e7bb78f5/eb737d5b931543f78234bf50d332264e [2021-11-20 06:56:48,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:56:48,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:56:48,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:56:48,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:56:48,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:56:48,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b48e71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48, skipping insertion in model container [2021-11-20 06:56:48,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:56:48,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:56:48,507 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_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/sv-benchmarks/c/reducercommutativity/max20-1.i[1290,1303] [2021-11-20 06:56:48,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:56:48,519 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:56:48,547 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_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/sv-benchmarks/c/reducercommutativity/max20-1.i[1290,1303] [2021-11-20 06:56:48,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:56:48,563 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:56:48,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48 WrapperNode [2021-11-20 06:56:48,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:56:48,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:56:48,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:56:48,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:56:48,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,608 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2021-11-20 06:56:48,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:56:48,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:56:48,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:56:48,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:56:48,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:56:48,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:56:48,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:56:48,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:56:48,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48" (1/1) ... [2021-11-20 06:56:48,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:56:48,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:56:48,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:56:48,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:56:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:56:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure max [2021-11-20 06:56:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2021-11-20 06:56:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:56:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:56:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:56:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:56:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:56:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:56:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:56:48,826 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:56:48,828 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:56:49,003 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:56:49,011 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:56:49,011 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 06:56:49,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:56:49 BoogieIcfgContainer [2021-11-20 06:56:49,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:56:49,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:56:49,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:56:49,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:56:49,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:56:48" (1/3) ... [2021-11-20 06:56:49,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381d13a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:56:49, skipping insertion in model container [2021-11-20 06:56:49,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:48" (2/3) ... [2021-11-20 06:56:49,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381d13a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:56:49, skipping insertion in model container [2021-11-20 06:56:49,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:56:49" (3/3) ... [2021-11-20 06:56:49,026 INFO L111 eAbstractionObserver]: Analyzing ICFG max20-1.i [2021-11-20 06:56:49,033 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:56:49,033 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:56:49,097 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:56:49,106 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:56:49,123 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:56:49,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:56:49,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 06:56:49,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:49,173 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:49,174 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:49,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:49,195 INFO L85 PathProgramCache]: Analyzing trace with hash -528134526, now seen corresponding path program 1 times [2021-11-20 06:56:49,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:49,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368074522] [2021-11-20 06:56:49,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:49,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:49,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:56:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:56:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 06:56:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:49,455 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 06:56:49,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:49,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368074522] [2021-11-20 06:56:49,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368074522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:49,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:56:49,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:56:49,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663101927] [2021-11-20 06:56:49,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:49,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:56:49,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:49,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:56:49,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:56:49,504 INFO L87 Difference]: Start difference. First operand has 28 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:56:49,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:49,526 INFO L93 Difference]: Finished difference Result 52 states and 71 transitions. [2021-11-20 06:56:49,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:56:49,529 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2021-11-20 06:56:49,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:49,538 INFO L225 Difference]: With dead ends: 52 [2021-11-20 06:56:49,539 INFO L226 Difference]: Without dead ends: 24 [2021-11-20 06:56:49,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:56:49,548 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:49,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:56:49,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-20 06:56:49,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-11-20 06:56:49,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:56:49,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2021-11-20 06:56:49,597 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 28 [2021-11-20 06:56:49,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:49,598 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-11-20 06:56:49,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:56:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-11-20 06:56:49,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 06:56:49,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:49,602 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:49,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:56:49,603 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:49,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:49,604 INFO L85 PathProgramCache]: Analyzing trace with hash -321958693, now seen corresponding path program 1 times [2021-11-20 06:56:49,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:49,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82649179] [2021-11-20 06:56:49,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:49,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:56:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:49,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 06:56:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 06:56:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-20 06:56:49,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:49,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82649179] [2021-11-20 06:56:49,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82649179] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:56:49,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669427617] [2021-11-20 06:56:49,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:49,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:49,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:56:49,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:56:49,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:56:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:49,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:56:49,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 06:56:50,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:56:50,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669427617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:50,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:56:50,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 06:56:50,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164669621] [2021-11-20 06:56:50,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:50,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:56:50,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:50,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:56:50,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:56:50,086 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:56:50,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:50,104 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-11-20 06:56:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:56:50,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2021-11-20 06:56:50,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:50,106 INFO L225 Difference]: With dead ends: 46 [2021-11-20 06:56:50,107 INFO L226 Difference]: Without dead ends: 26 [2021-11-20 06:56:50,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:56:50,110 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:50,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:56:50,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-20 06:56:50,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-11-20 06:56:50,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:56:50,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2021-11-20 06:56:50,121 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 28 [2021-11-20 06:56:50,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:50,122 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2021-11-20 06:56:50,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:56:50,122 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2021-11-20 06:56:50,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-20 06:56:50,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:50,125 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:50,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:50,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:50,351 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:50,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:50,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1777476163, now seen corresponding path program 1 times [2021-11-20 06:56:50,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:50,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132688122] [2021-11-20 06:56:50,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:50,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:50,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 06:56:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:50,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:56:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 06:56:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 06:56:50,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:50,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132688122] [2021-11-20 06:56:50,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132688122] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:56:50,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280268116] [2021-11-20 06:56:50,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:50,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:50,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:56:50,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:56:50,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:56:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:50,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:56:50,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:56:50,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:56:50,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280268116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:50,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:56:50,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 06:56:50,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267534193] [2021-11-20 06:56:50,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:50,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:56:50,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:50,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:56:50,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:56:50,706 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 06:56:50,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:50,739 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2021-11-20 06:56:50,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:56:50,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2021-11-20 06:56:50,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:50,745 INFO L225 Difference]: With dead ends: 48 [2021-11-20 06:56:50,745 INFO L226 Difference]: Without dead ends: 29 [2021-11-20 06:56:50,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:56:50,752 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:50,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 50 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:56:50,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-20 06:56:50,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2021-11-20 06:56:50,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:56:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-11-20 06:56:50,764 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 30 [2021-11-20 06:56:50,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:50,765 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-11-20 06:56:50,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 06:56:50,765 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-20 06:56:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-20 06:56:50,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:50,767 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:50,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:50,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:50,991 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:50,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1540631384, now seen corresponding path program 1 times [2021-11-20 06:56:50,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:50,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709616335] [2021-11-20 06:56:50,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:50,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 06:56:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:51,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 06:56:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:56:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:51,142 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 06:56:51,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:51,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709616335] [2021-11-20 06:56:51,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709616335] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:56:51,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897254346] [2021-11-20 06:56:51,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:51,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:51,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:56:51,144 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:56:51,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 06:56:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:51,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:56:51,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 06:56:51,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:56:51,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897254346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:51,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:56:51,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-20 06:56:51,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319589092] [2021-11-20 06:56:51,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:51,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:56:51,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:51,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:56:51,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:56:51,385 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 06:56:51,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:51,414 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2021-11-20 06:56:51,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:56:51,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2021-11-20 06:56:51,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:51,421 INFO L225 Difference]: With dead ends: 43 [2021-11-20 06:56:51,421 INFO L226 Difference]: Without dead ends: 28 [2021-11-20 06:56:51,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:56:51,423 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:51,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 51 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:56:51,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-20 06:56:51,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2021-11-20 06:56:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:56:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-11-20 06:56:51,430 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 42 [2021-11-20 06:56:51,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:51,434 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-11-20 06:56:51,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 06:56:51,439 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-11-20 06:56:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-20 06:56:51,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:51,444 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:51,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:51,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:51,664 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:51,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:51,664 INFO L85 PathProgramCache]: Analyzing trace with hash -180199466, now seen corresponding path program 1 times [2021-11-20 06:56:51,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:51,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254585549] [2021-11-20 06:56:51,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:51,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 06:56:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:51,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 06:56:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:51,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-20 06:56:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-20 06:56:51,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:51,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254585549] [2021-11-20 06:56:51,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254585549] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:56:51,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369001452] [2021-11-20 06:56:51,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:51,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:51,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:56:51,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:56:51,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 06:56:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:51,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:56:51,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-20 06:56:52,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-20 06:56:52,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369001452] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:56:52,228 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:56:52,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2021-11-20 06:56:52,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297807147] [2021-11-20 06:56:52,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:56:52,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:56:52,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:52,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:56:52,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:56:52,231 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-20 06:56:52,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:52,300 INFO L93 Difference]: Finished difference Result 62 states and 80 transitions. [2021-11-20 06:56:52,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:56:52,301 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 44 [2021-11-20 06:56:52,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:52,302 INFO L225 Difference]: With dead ends: 62 [2021-11-20 06:56:52,302 INFO L226 Difference]: Without dead ends: 40 [2021-11-20 06:56:52,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:56:52,304 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 15 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:52,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 70 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:56:52,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-20 06:56:52,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2021-11-20 06:56:52,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:56:52,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2021-11-20 06:56:52,338 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 44 [2021-11-20 06:56:52,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:52,339 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2021-11-20 06:56:52,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-20 06:56:52,339 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2021-11-20 06:56:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-20 06:56:52,341 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:52,342 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:52,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:52,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:52,567 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:52,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:52,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1875433, now seen corresponding path program 2 times [2021-11-20 06:56:52,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:52,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891543655] [2021-11-20 06:56:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:52,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:52,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:56:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:52,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:56:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:52,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 06:56:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:52,709 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-20 06:56:52,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:52,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891543655] [2021-11-20 06:56:52,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891543655] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:56:52,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610188232] [2021-11-20 06:56:52,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:56:52,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:52,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:56:52,712 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:56:52,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 06:56:52,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:56:52,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:56:52,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:56:52,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-20 06:56:53,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-20 06:56:53,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610188232] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:56:53,272 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:56:53,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2021-11-20 06:56:53,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831816363] [2021-11-20 06:56:53,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:56:53,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 06:56:53,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:53,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 06:56:53,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:56:53,275 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 06:56:53,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:53,349 INFO L93 Difference]: Finished difference Result 78 states and 96 transitions. [2021-11-20 06:56:53,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:56:53,353 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2021-11-20 06:56:53,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:53,354 INFO L225 Difference]: With dead ends: 78 [2021-11-20 06:56:53,354 INFO L226 Difference]: Without dead ends: 52 [2021-11-20 06:56:53,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:56:53,356 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 17 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:53,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 93 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:56:53,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-20 06:56:53,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2021-11-20 06:56:53,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.108695652173913) internal successors, (51), 46 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:56:53,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2021-11-20 06:56:53,366 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 62 [2021-11-20 06:56:53,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:53,366 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2021-11-20 06:56:53,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 06:56:53,367 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2021-11-20 06:56:53,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-20 06:56:53,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:53,375 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:53,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:53,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:53,576 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:53,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:53,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1341943393, now seen corresponding path program 3 times [2021-11-20 06:56:53,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:53,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819223041] [2021-11-20 06:56:53,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:53,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:53,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:56:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:53,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 06:56:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 06:56:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:53,896 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-20 06:56:53,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:53,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819223041] [2021-11-20 06:56:53,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819223041] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:56:53,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405235246] [2021-11-20 06:56:53,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 06:56:53,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:53,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:56:53,899 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:56:53,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 06:56:53,978 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-20 06:56:53,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:56:53,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:56:53,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-20 06:56:54,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-20 06:56:54,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405235246] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:56:54,477 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:56:54,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2021-11-20 06:56:54,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577944828] [2021-11-20 06:56:54,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:56:54,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-20 06:56:54,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:54,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-20 06:56:54,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2021-11-20 06:56:54,480 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 19 states have internal predecessors, (72), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 06:56:54,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:54,587 INFO L93 Difference]: Finished difference Result 98 states and 121 transitions. [2021-11-20 06:56:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 06:56:54,588 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 19 states have internal predecessors, (72), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 76 [2021-11-20 06:56:54,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:54,593 INFO L225 Difference]: With dead ends: 98 [2021-11-20 06:56:54,593 INFO L226 Difference]: Without dead ends: 70 [2021-11-20 06:56:54,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2021-11-20 06:56:54,599 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 39 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:54,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 160 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:56:54,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-20 06:56:54,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2021-11-20 06:56:54,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 64 states have (on average 1.140625) internal successors, (73), 64 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:56:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2021-11-20 06:56:54,627 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 76 [2021-11-20 06:56:54,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:54,629 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2021-11-20 06:56:54,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 19 states have internal predecessors, (72), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 06:56:54,634 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2021-11-20 06:56:54,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-20 06:56:54,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:54,638 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 11, 11, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:54,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:54,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-20 06:56:54,867 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:54,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:54,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1821282991, now seen corresponding path program 4 times [2021-11-20 06:56:54,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:54,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411396322] [2021-11-20 06:56:54,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:54,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:55,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:56:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:55,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:56:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:55,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:56:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2021-11-20 06:56:55,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:55,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411396322] [2021-11-20 06:56:55,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411396322] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:56:55,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351800600] [2021-11-20 06:56:55,140 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 06:56:55,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:55,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:56:55,141 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:56:55,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 06:56:55,260 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 06:56:55,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:56:55,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-20 06:56:55,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2021-11-20 06:56:55,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2021-11-20 06:56:55,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351800600] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:56:55,944 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:56:55,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 23 [2021-11-20 06:56:55,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556306269] [2021-11-20 06:56:55,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:56:55,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-20 06:56:55,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:55,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-20 06:56:55,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2021-11-20 06:56:55,948 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 23 states have internal predecessors, (71), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-20 06:56:56,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:56,026 INFO L93 Difference]: Finished difference Result 131 states and 159 transitions. [2021-11-20 06:56:56,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-20 06:56:56,027 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 23 states have internal predecessors, (71), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 126 [2021-11-20 06:56:56,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:56,028 INFO L225 Difference]: With dead ends: 131 [2021-11-20 06:56:56,028 INFO L226 Difference]: Without dead ends: 87 [2021-11-20 06:56:56,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2021-11-20 06:56:56,031 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 20 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:56,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 77 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:56:56,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-20 06:56:56,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-11-20 06:56:56,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 82 states have (on average 1.1097560975609757) internal successors, (91), 82 states have internal predecessors, (91), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:56:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2021-11-20 06:56:56,041 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 126 [2021-11-20 06:56:56,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:56,042 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2021-11-20 06:56:56,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 23 states have internal predecessors, (71), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-20 06:56:56,043 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2021-11-20 06:56:56,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-20 06:56:56,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:56,045 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 18, 18, 18, 18, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:56,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:56,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:56,267 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:56,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:56,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1526385697, now seen corresponding path program 5 times [2021-11-20 06:56:56,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:56,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273566724] [2021-11-20 06:56:56,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:56,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 06:56:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:56,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:56:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:56,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-20 06:56:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2021-11-20 06:56:56,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:56,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273566724] [2021-11-20 06:56:56,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273566724] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:56:56,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670068267] [2021-11-20 06:56:56,502 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-20 06:56:56,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:56,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:56:56,503 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:56:56,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 06:56:57,167 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2021-11-20 06:56:57,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:56:57,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:56:57,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:57,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 316 proven. 66 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2021-11-20 06:56:57,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:57,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2021-11-20 06:56:57,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670068267] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:56:57,944 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:56:57,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2021-11-20 06:56:57,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225321360] [2021-11-20 06:56:57,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:56:57,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 06:56:57,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:57,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 06:56:57,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:56:57,952 INFO L87 Difference]: Start difference. First operand 87 states and 97 transitions. Second operand has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 06:56:58,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:58,044 INFO L93 Difference]: Finished difference Result 162 states and 199 transitions. [2021-11-20 06:56:58,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:56:58,047 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 144 [2021-11-20 06:56:58,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:58,049 INFO L225 Difference]: With dead ends: 162 [2021-11-20 06:56:58,049 INFO L226 Difference]: Without dead ends: 119 [2021-11-20 06:56:58,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:56:58,051 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 76 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:58,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 140 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:56:58,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-11-20 06:56:58,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-11-20 06:56:58,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 114 states have (on average 1.1491228070175439) internal successors, (131), 114 states have internal predecessors, (131), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:56:58,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2021-11-20 06:56:58,064 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 144 [2021-11-20 06:56:58,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:58,065 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2021-11-20 06:56:58,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 06:56:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2021-11-20 06:56:58,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-20 06:56:58,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:58,070 INFO L514 BasicCegarLoop]: trace histogram [42, 42, 42, 42, 20, 20, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:58,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-20 06:56:58,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:58,286 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:56:58,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:58,286 INFO L85 PathProgramCache]: Analyzing trace with hash -577234183, now seen corresponding path program 6 times [2021-11-20 06:56:58,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:56:58,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83387662] [2021-11-20 06:56:58,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:58,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:56:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 06:56:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 06:56:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-20 06:56:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:58,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3989 backedges. 0 proven. 2010 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2021-11-20 06:56:58,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:58,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83387662] [2021-11-20 06:56:58,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83387662] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:56:58,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015901851] [2021-11-20 06:56:58,723 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-20 06:56:58,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:56:58,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:56:58,727 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:56:58,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 06:56:58,860 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-11-20 06:56:58,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:56:58,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:56:58,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3989 backedges. 1634 proven. 4 refuted. 0 times theorem prover too weak. 2351 trivial. 0 not checked. [2021-11-20 06:56:59,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:59,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3989 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3985 trivial. 0 not checked. [2021-11-20 06:56:59,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015901851] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:56:59,832 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:56:59,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 23 [2021-11-20 06:56:59,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441753279] [2021-11-20 06:56:59,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:56:59,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-20 06:56:59,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:59,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-20 06:56:59,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=343, Unknown=0, NotChecked=0, Total=506 [2021-11-20 06:56:59,837 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 06:56:59,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:59,977 INFO L93 Difference]: Finished difference Result 209 states and 253 transitions. [2021-11-20 06:56:59,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-20 06:56:59,978 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 240 [2021-11-20 06:56:59,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:59,985 INFO L225 Difference]: With dead ends: 209 [2021-11-20 06:56:59,985 INFO L226 Difference]: Without dead ends: 134 [2021-11-20 06:56:59,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=343, Unknown=0, NotChecked=0, Total=506 [2021-11-20 06:56:59,987 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 96 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:59,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 115 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:56:59,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-20 06:57:00,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 131. [2021-11-20 06:57:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 126 states have (on average 1.1428571428571428) internal successors, (144), 126 states have internal predecessors, (144), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:57:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 150 transitions. [2021-11-20 06:57:00,012 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 150 transitions. Word has length 240 [2021-11-20 06:57:00,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:00,014 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 150 transitions. [2021-11-20 06:57:00,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 06:57:00,015 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2021-11-20 06:57:00,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-20 06:57:00,020 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:00,020 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 45, 45, 20, 20, 6, 6, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:00,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:00,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-20 06:57:00,247 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:57:00,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:00,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1044531828, now seen corresponding path program 7 times [2021-11-20 06:57:00,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:00,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557098824] [2021-11-20 06:57:00,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:00,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:00,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 06:57:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-20 06:57:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 06:57:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4546 backedges. 0 proven. 2303 refuted. 0 times theorem prover too weak. 2243 trivial. 0 not checked. [2021-11-20 06:57:00,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:00,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557098824] [2021-11-20 06:57:00,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557098824] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:57:00,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599824315] [2021-11-20 06:57:00,671 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-20 06:57:00,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:00,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:00,672 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:57:00,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 06:57:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:00,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-20 06:57:00,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:57:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4546 backedges. 1864 proven. 435 refuted. 0 times theorem prover too weak. 2247 trivial. 0 not checked. [2021-11-20 06:57:01,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:57:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4546 backedges. 0 proven. 2303 refuted. 0 times theorem prover too weak. 2243 trivial. 0 not checked. [2021-11-20 06:57:01,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599824315] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:57:01,997 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:57:01,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 22 [2021-11-20 06:57:01,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588112241] [2021-11-20 06:57:01,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:57:02,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 06:57:02,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:57:02,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 06:57:02,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2021-11-20 06:57:02,002 INFO L87 Difference]: Start difference. First operand 131 states and 150 transitions. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 06:57:02,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:02,125 INFO L93 Difference]: Finished difference Result 238 states and 287 transitions. [2021-11-20 06:57:02,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-20 06:57:02,125 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 260 [2021-11-20 06:57:02,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:02,131 INFO L225 Difference]: With dead ends: 238 [2021-11-20 06:57:02,131 INFO L226 Difference]: Without dead ends: 151 [2021-11-20 06:57:02,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 521 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2021-11-20 06:57:02,133 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 105 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:02,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 196 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:57:02,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-11-20 06:57:02,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2021-11-20 06:57:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 146 states have (on average 1.1575342465753424) internal successors, (169), 146 states have internal predecessors, (169), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:57:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2021-11-20 06:57:02,161 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 260 [2021-11-20 06:57:02,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:02,162 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2021-11-20 06:57:02,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 22 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 06:57:02,162 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2021-11-20 06:57:02,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-20 06:57:02,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:02,169 INFO L514 BasicCegarLoop]: trace histogram [60, 60, 60, 60, 20, 20, 6, 6, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:02,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:02,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:02,395 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:57:02,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:02,396 INFO L85 PathProgramCache]: Analyzing trace with hash 259706899, now seen corresponding path program 8 times [2021-11-20 06:57:02,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:02,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981251331] [2021-11-20 06:57:02,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:02,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:02,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 06:57:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 06:57:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:02,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-20 06:57:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 7711 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 7675 trivial. 0 not checked. [2021-11-20 06:57:02,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:02,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981251331] [2021-11-20 06:57:02,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981251331] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:57:02,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131825198] [2021-11-20 06:57:02,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:57:02,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:02,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:02,755 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:57:02,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-20 06:57:03,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:57:03,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:57:03,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:57:03,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:57:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7711 backedges. 3290 proven. 36 refuted. 0 times theorem prover too weak. 4385 trivial. 0 not checked. [2021-11-20 06:57:03,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:57:04,384 INFO L134 CoverageAnalysis]: Checked inductivity of 7711 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 7675 trivial. 0 not checked. [2021-11-20 06:57:04,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131825198] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:57:04,385 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:57:04,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2021-11-20 06:57:04,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703647777] [2021-11-20 06:57:04,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:57:04,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-20 06:57:04,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:57:04,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-20 06:57:04,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:57:04,388 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 06:57:04,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:04,457 INFO L93 Difference]: Finished difference Result 258 states and 310 transitions. [2021-11-20 06:57:04,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:57:04,458 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 320 [2021-11-20 06:57:04,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:04,461 INFO L225 Difference]: With dead ends: 258 [2021-11-20 06:57:04,462 INFO L226 Difference]: Without dead ends: 167 [2021-11-20 06:57:04,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:57:04,464 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 21 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:04,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 75 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:57:04,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-11-20 06:57:04,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2021-11-20 06:57:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 162 states have (on average 1.1419753086419753) internal successors, (185), 162 states have internal predecessors, (185), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:57:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 191 transitions. [2021-11-20 06:57:04,475 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 191 transitions. Word has length 320 [2021-11-20 06:57:04,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:04,476 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 191 transitions. [2021-11-20 06:57:04,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 06:57:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 191 transitions. [2021-11-20 06:57:04,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-20 06:57:04,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:04,484 INFO L514 BasicCegarLoop]: trace histogram [60, 60, 60, 60, 20, 20, 14, 14, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:04,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:04,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:04,705 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:57:04,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:04,705 INFO L85 PathProgramCache]: Analyzing trace with hash -849918461, now seen corresponding path program 9 times [2021-11-20 06:57:04,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:04,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472338148] [2021-11-20 06:57:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:04,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:05,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 06:57:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:05,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 06:57:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:05,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-20 06:57:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:05,167 INFO L134 CoverageAnalysis]: Checked inductivity of 7871 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 7675 trivial. 0 not checked. [2021-11-20 06:57:05,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:05,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472338148] [2021-11-20 06:57:05,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472338148] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:57:05,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105348608] [2021-11-20 06:57:05,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 06:57:05,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:05,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:05,171 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:57:05,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-20 06:57:08,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-11-20 06:57:08,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:57:08,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-20 06:57:08,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:57:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 7871 backedges. 3290 proven. 196 refuted. 0 times theorem prover too weak. 4385 trivial. 0 not checked. [2021-11-20 06:57:09,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:57:10,321 INFO L134 CoverageAnalysis]: Checked inductivity of 7871 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 7675 trivial. 0 not checked. [2021-11-20 06:57:10,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105348608] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:57:10,322 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:57:10,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 22 [2021-11-20 06:57:10,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855339425] [2021-11-20 06:57:10,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:57:10,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 06:57:10,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:57:10,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 06:57:10,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2021-11-20 06:57:10,325 INFO L87 Difference]: Start difference. First operand 167 states and 191 transitions. Second operand has 22 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 22 states have internal predecessors, (69), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 06:57:10,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:10,401 INFO L93 Difference]: Finished difference Result 268 states and 317 transitions. [2021-11-20 06:57:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 06:57:10,401 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 22 states have internal predecessors, (69), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 336 [2021-11-20 06:57:10,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:10,404 INFO L225 Difference]: With dead ends: 268 [2021-11-20 06:57:10,404 INFO L226 Difference]: Without dead ends: 177 [2021-11-20 06:57:10,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 693 GetRequests, 672 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2021-11-20 06:57:10,406 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 19 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:10,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 75 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:57:10,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-20 06:57:10,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-11-20 06:57:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.1337209302325582) internal successors, (195), 172 states have internal predecessors, (195), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:57:10,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 201 transitions. [2021-11-20 06:57:10,418 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 201 transitions. Word has length 336 [2021-11-20 06:57:10,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:10,419 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 201 transitions. [2021-11-20 06:57:10,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 22 states have internal predecessors, (69), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 06:57:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 201 transitions. [2021-11-20 06:57:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-20 06:57:10,428 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:10,428 INFO L514 BasicCegarLoop]: trace histogram [60, 60, 60, 60, 20, 20, 19, 19, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:10,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:10,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:10,656 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:57:10,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:10,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1596627961, now seen corresponding path program 10 times [2021-11-20 06:57:10,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:10,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396582466] [2021-11-20 06:57:10,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:10,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 06:57:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 06:57:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-20 06:57:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 8036 backedges. 360 proven. 4136 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2021-11-20 06:57:14,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:57:14,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396582466] [2021-11-20 06:57:14,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396582466] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:57:14,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327453949] [2021-11-20 06:57:14,021 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 06:57:14,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:14,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:14,055 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:57:14,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21bc055-4cdf-4e6b-8e6b-d90888b37d80/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-20 06:57:14,394 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 06:57:14,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:57:14,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-20 06:57:14,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:57:14,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:14,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2021-11-20 06:57:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:15,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:15,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:57:15,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:57:15,348 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-20 06:57:15,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 48 [2021-11-20 06:57:15,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:15,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:15,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:15,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:15,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:15,534 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-11-20 06:57:15,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 54 [2021-11-20 06:57:15,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:15,879 INFO L354 Elim1Store]: treesize reduction 292, result has 17.5 percent of original size [2021-11-20 06:57:15,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 98 [2021-11-20 06:57:16,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:16,799 INFO L354 Elim1Store]: treesize reduction 541, result has 13.6 percent of original size [2021-11-20 06:57:16,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 139 [2021-11-20 06:57:20,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:21,031 INFO L354 Elim1Store]: treesize reduction 696, result has 12.2 percent of original size [2021-11-20 06:57:21,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 145 treesize of output 162 [2021-11-20 06:57:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:26,903 INFO L354 Elim1Store]: treesize reduction 1048, result has 10.3 percent of original size [2021-11-20 06:57:26,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 180 treesize of output 203 [2021-11-20 06:57:31,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:31,436 INFO L354 Elim1Store]: treesize reduction 588, result has 14.3 percent of original size [2021-11-20 06:57:31,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 159 treesize of output 164 [2021-11-20 06:57:32,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:32,544 INFO L354 Elim1Store]: treesize reduction 662, result has 13.9 percent of original size [2021-11-20 06:57:32,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 178 treesize of output 180 [2021-11-20 06:57:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:35,399 INFO L354 Elim1Store]: treesize reduction 736, result has 13.6 percent of original size [2021-11-20 06:57:35,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 197 treesize of output 196 [2021-11-20 06:57:43,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:43,627 INFO L354 Elim1Store]: treesize reduction 1159, result has 10.7 percent of original size [2021-11-20 06:57:43,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 28 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 91 case distinctions, treesize of input 232 treesize of output 237 [2021-11-20 06:57:57,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:57,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:57:58,517 INFO L354 Elim1Store]: treesize reduction 1404, result has 9.7 percent of original size [2021-11-20 06:57:58,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 28 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 105 case distinctions, treesize of input 261 treesize of output 260 [2021-11-20 06:58:00,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:00,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:01,129 INFO L354 Elim1Store]: treesize reduction 958, result has 13.0 percent of original size [2021-11-20 06:58:01,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 105 case distinctions, treesize of input 254 treesize of output 244 [2021-11-20 06:58:05,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:05,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:06,385 INFO L354 Elim1Store]: treesize reduction 1032, result has 12.8 percent of original size [2021-11-20 06:58:06,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 66 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 120 case distinctions, treesize of input 273 treesize of output 260 [2021-11-20 06:58:15,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:15,622 INFO L354 Elim1Store]: treesize reduction 1106, result has 12.7 percent of original size [2021-11-20 06:58:15,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 78 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 136 case distinctions, treesize of input 292 treesize of output 276 [2021-11-20 06:58:27,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:27,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:28,216 INFO L354 Elim1Store]: treesize reduction 1180, result has 12.6 percent of original size [2021-11-20 06:58:28,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 91 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 153 case distinctions, treesize of input 311 treesize of output 292 [2021-11-20 06:58:37,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:37,719 INFO L354 Elim1Store]: treesize reduction 1254, result has 12.5 percent of original size [2021-11-20 06:58:37,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 105 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 171 case distinctions, treesize of input 330 treesize of output 308 [2021-11-20 06:58:48,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:48,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:49,145 INFO L354 Elim1Store]: treesize reduction 1328, result has 12.4 percent of original size [2021-11-20 06:58:49,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 120 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 190 case distinctions, treesize of input 349 treesize of output 324 [2021-11-20 06:58:54,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:58:55,818 INFO L354 Elim1Store]: treesize reduction 1402, result has 12.3 percent of original size [2021-11-20 06:58:55,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 136 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 210 case distinctions, treesize of input 368 treesize of output 340 [2021-11-20 06:59:03,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:03,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:59:04,743 INFO L354 Elim1Store]: treesize reduction 1476, result has 12.2 percent of original size [2021-11-20 06:59:04,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 21 select indices, 21 select index equivalence classes, 153 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 231 case distinctions, treesize of input 387 treesize of output 356 [2021-11-20 07:00:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:00:28,014 INFO L354 Elim1Store]: treesize reduction 1234, result has 6.4 percent of original size [2021-11-20 07:00:28,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 171 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 235 case distinctions, treesize of input 406 treesize of output 406 [2021-11-20 07:01:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 8036 backedges. 4706 proven. 1472 refuted. 11 times theorem prover too weak. 1847 trivial. 0 not checked. [2021-11-20 07:01:06,952 INFO L328 TraceCheckSpWp]: Computing backward predicates...