./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/reducercommutativity/max20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL --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-0f8a17c [2021-11-19 05:31:39,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:31:39,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:31:39,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:31:39,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:31:39,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:31:39,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:31:39,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:31:39,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:31:39,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:31:39,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:31:39,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:31:39,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:31:39,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:31:39,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:31:39,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:31:39,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:31:39,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:31:39,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:31:39,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:31:39,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:31:39,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:31:39,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:31:39,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:31:39,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:31:39,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:31:39,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:31:39,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:31:39,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:31:39,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:31:39,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:31:39,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:31:39,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:31:39,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:31:39,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:31:39,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:31:39,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:31:39,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:31:39,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:31:39,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:31:39,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:31:39,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 05:31:39,771 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:31:39,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:31:39,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:31:39,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:31:39,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:31:39,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:31:39,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:31:39,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:31:39,783 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:31:39,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:31:39,785 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:31:39,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:31:39,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:31:39,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:31:39,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:31:39,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:31:39,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:31:39,787 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:31:39,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:31:39,788 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:31:39,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:31:39,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:31:39,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:31:39,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:31:39,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:31:39,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:31:39,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:31:39,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:31:39,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:31:39,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:31:39,794 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:31:39,794 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:31:39,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:31:39,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:31:39,796 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_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da9ac0c3f4abc9a6d9e8b4bf1276cf60fb65e65c55d9f94968d51682bf71ef87 [2021-11-19 05:31:40,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:31:40,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:31:40,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:31:40,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:31:40,175 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:31:40,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/reducercommutativity/max20-1.i [2021-11-19 05:31:40,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/data/723bb7a86/1f428c0f4e764a528b404e20fa5460e9/FLAG28c83dd03 [2021-11-19 05:31:40,848 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:31:40,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/sv-benchmarks/c/reducercommutativity/max20-1.i [2021-11-19 05:31:40,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/data/723bb7a86/1f428c0f4e764a528b404e20fa5460e9/FLAG28c83dd03 [2021-11-19 05:31:41,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/data/723bb7a86/1f428c0f4e764a528b404e20fa5460e9 [2021-11-19 05:31:41,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:31:41,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:31:41,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:31:41,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:31:41,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:31:41,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cba76ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41, skipping insertion in model container [2021-11-19 05:31:41,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:31:41,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:31:41,499 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_670c5614-f96d-47ce-94f2-ab7e929ed093/sv-benchmarks/c/reducercommutativity/max20-1.i[1290,1303] [2021-11-19 05:31:41,504 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:31:41,513 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:31:41,541 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_670c5614-f96d-47ce-94f2-ab7e929ed093/sv-benchmarks/c/reducercommutativity/max20-1.i[1290,1303] [2021-11-19 05:31:41,543 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:31:41,561 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:31:41,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41 WrapperNode [2021-11-19 05:31:41,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:31:41,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:31:41,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:31:41,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:31:41,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,636 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2021-11-19 05:31:41,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:31:41,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:31:41,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:31:41,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:31:41,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:31:41,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:31:41,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:31:41,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:31:41,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41" (1/1) ... [2021-11-19 05:31:41,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:31:41,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:41,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:31:41,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:31:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:31:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure max [2021-11-19 05:31:41,842 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2021-11-19 05:31:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:31:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:31:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:31:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:31:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:31:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:31:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:31:41,958 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:31:41,960 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:31:42,185 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:31:42,205 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:31:42,206 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 05:31:42,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:31:42 BoogieIcfgContainer [2021-11-19 05:31:42,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:31:42,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:31:42,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:31:42,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:31:42,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:31:41" (1/3) ... [2021-11-19 05:31:42,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534b9f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:31:42, skipping insertion in model container [2021-11-19 05:31:42,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:31:41" (2/3) ... [2021-11-19 05:31:42,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534b9f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:31:42, skipping insertion in model container [2021-11-19 05:31:42,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:31:42" (3/3) ... [2021-11-19 05:31:42,221 INFO L111 eAbstractionObserver]: Analyzing ICFG max20-1.i [2021-11-19 05:31:42,228 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:31:42,229 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:31:42,293 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:31:42,303 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 [2021-11-19 05:31:42,303 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:31:42,331 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) [2021-11-19 05:31:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-19 05:31:42,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:42,354 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] [2021-11-19 05:31:42,355 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:42,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:42,362 INFO L85 PathProgramCache]: Analyzing trace with hash -528134526, now seen corresponding path program 1 times [2021-11-19 05:31:42,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:42,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391176564] [2021-11-19 05:31:42,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:42,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:42,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:31:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:42,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 05:31:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:42,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-19 05:31:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:31:42,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:42,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391176564] [2021-11-19 05:31:42,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391176564] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:31:42,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:31:42,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:31:42,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441557356] [2021-11-19 05:31:42,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:42,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:31:42,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:42,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:31:42,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:31:42,704 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) [2021-11-19 05:31:42,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:42,740 INFO L93 Difference]: Finished difference Result 52 states and 71 transitions. [2021-11-19 05:31:42,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:31:42,743 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 [2021-11-19 05:31:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:42,751 INFO L225 Difference]: With dead ends: 52 [2021-11-19 05:31:42,752 INFO L226 Difference]: Without dead ends: 24 [2021-11-19 05:31:42,756 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 [2021-11-19 05:31:42,761 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 [2021-11-19 05:31:42,763 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] [2021-11-19 05:31:42,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-19 05:31:42,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-11-19 05:31:42,805 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) [2021-11-19 05:31:42,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2021-11-19 05:31:42,809 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 28 [2021-11-19 05:31:42,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:42,809 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-11-19 05:31:42,810 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) [2021-11-19 05:31:42,810 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-11-19 05:31:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-19 05:31:42,813 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:42,813 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] [2021-11-19 05:31:42,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:31:42,814 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:42,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:42,815 INFO L85 PathProgramCache]: Analyzing trace with hash -321958693, now seen corresponding path program 1 times [2021-11-19 05:31:42,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:42,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97385587] [2021-11-19 05:31:42,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:42,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:42,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:31:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:42,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 05:31:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-19 05:31:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-19 05:31:42,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:42,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97385587] [2021-11-19 05:31:42,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97385587] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:42,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983374531] [2021-11-19 05:31:42,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:43,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:43,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:43,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:43,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 05:31:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:43,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:31:43,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:31:43,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:31:43,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983374531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:31:43,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:31:43,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-19 05:31:43,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583836264] [2021-11-19 05:31:43,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:43,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:31:43,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:43,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:31:43,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:31:43,307 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) [2021-11-19 05:31:43,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:43,340 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-11-19 05:31:43,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:31:43,342 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 [2021-11-19 05:31:43,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:43,343 INFO L225 Difference]: With dead ends: 46 [2021-11-19 05:31:43,343 INFO L226 Difference]: Without dead ends: 26 [2021-11-19 05:31:43,344 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 [2021-11-19 05:31:43,347 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 [2021-11-19 05:31:43,348 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] [2021-11-19 05:31:43,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-19 05:31:43,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-11-19 05:31:43,353 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) [2021-11-19 05:31:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2021-11-19 05:31:43,355 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 28 [2021-11-19 05:31:43,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:43,356 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2021-11-19 05:31:43,356 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) [2021-11-19 05:31:43,356 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2021-11-19 05:31:43,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-19 05:31:43,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:43,358 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] [2021-11-19 05:31:43,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:43,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:43,571 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:43,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:43,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1777476163, now seen corresponding path program 1 times [2021-11-19 05:31:43,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:43,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978376404] [2021-11-19 05:31:43,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:43,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:43,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-19 05:31:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:43,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:31:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-19 05:31:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:31:43,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:43,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978376404] [2021-11-19 05:31:43,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978376404] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:43,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165990370] [2021-11-19 05:31:43,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:43,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:43,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:43,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:43,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 05:31:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:43,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:31:43,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:43,972 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 05:31:43,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:31:43,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165990370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:31:43,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:31:43,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-19 05:31:43,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818807334] [2021-11-19 05:31:43,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:43,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:31:43,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:43,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:31:43,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:31:43,976 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) [2021-11-19 05:31:44,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:44,011 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2021-11-19 05:31:44,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:31:44,012 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 [2021-11-19 05:31:44,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:44,013 INFO L225 Difference]: With dead ends: 48 [2021-11-19 05:31:44,013 INFO L226 Difference]: Without dead ends: 29 [2021-11-19 05:31:44,014 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 [2021-11-19 05:31:44,016 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 [2021-11-19 05:31:44,017 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] [2021-11-19 05:31:44,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-19 05:31:44,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2021-11-19 05:31:44,025 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) [2021-11-19 05:31:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-11-19 05:31:44,027 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 30 [2021-11-19 05:31:44,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:44,027 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-11-19 05:31:44,028 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) [2021-11-19 05:31:44,028 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-19 05:31:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-19 05:31:44,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:44,030 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] [2021-11-19 05:31:44,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:44,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:44,245 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:44,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:44,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1540631384, now seen corresponding path program 1 times [2021-11-19 05:31:44,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:44,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144250181] [2021-11-19 05:31:44,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:44,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:44,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-19 05:31:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:44,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:31:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:44,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:31:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:31:44,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:44,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144250181] [2021-11-19 05:31:44,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144250181] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:44,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498909852] [2021-11-19 05:31:44,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:44,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:44,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:44,425 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:44,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 05:31:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:44,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:31:44,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:31:44,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:31:44,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498909852] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:31:44,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:31:44,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-19 05:31:44,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574479651] [2021-11-19 05:31:44,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:44,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:31:44,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:44,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:31:44,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:31:44,699 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) [2021-11-19 05:31:44,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:44,720 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2021-11-19 05:31:44,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:31:44,721 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 [2021-11-19 05:31:44,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:44,724 INFO L225 Difference]: With dead ends: 43 [2021-11-19 05:31:44,724 INFO L226 Difference]: Without dead ends: 28 [2021-11-19 05:31:44,725 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 [2021-11-19 05:31:44,726 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 [2021-11-19 05:31:44,727 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] [2021-11-19 05:31:44,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-19 05:31:44,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2021-11-19 05:31:44,733 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) [2021-11-19 05:31:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-11-19 05:31:44,735 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 42 [2021-11-19 05:31:44,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:44,737 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-11-19 05:31:44,737 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) [2021-11-19 05:31:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-11-19 05:31:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-19 05:31:44,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:44,740 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] [2021-11-19 05:31:44,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:44,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:44,958 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:44,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:44,958 INFO L85 PathProgramCache]: Analyzing trace with hash -180199466, now seen corresponding path program 1 times [2021-11-19 05:31:44,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:44,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394899696] [2021-11-19 05:31:44,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:44,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:45,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-19 05:31:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:31:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-19 05:31:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-19 05:31:45,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:45,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394899696] [2021-11-19 05:31:45,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394899696] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:45,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883288003] [2021-11-19 05:31:45,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:45,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:45,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:45,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:45,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 05:31:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:45,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:31:45,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-19 05:31:45,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-19 05:31:45,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883288003] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:31:45,570 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:31:45,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2021-11-19 05:31:45,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830389935] [2021-11-19 05:31:45,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:31:45,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:31:45,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:45,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:31:45,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:31:45,576 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) [2021-11-19 05:31:45,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:45,658 INFO L93 Difference]: Finished difference Result 62 states and 80 transitions. [2021-11-19 05:31:45,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:31:45,659 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 [2021-11-19 05:31:45,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:45,660 INFO L225 Difference]: With dead ends: 62 [2021-11-19 05:31:45,660 INFO L226 Difference]: Without dead ends: 40 [2021-11-19 05:31:45,661 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 [2021-11-19 05:31:45,662 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, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:31:45,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 70 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:31:45,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-19 05:31:45,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2021-11-19 05:31:45,670 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) [2021-11-19 05:31:45,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2021-11-19 05:31:45,672 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 44 [2021-11-19 05:31:45,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:45,673 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2021-11-19 05:31:45,673 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) [2021-11-19 05:31:45,673 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2021-11-19 05:31:45,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-19 05:31:45,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:45,676 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] [2021-11-19 05:31:45,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:45,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:45,891 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:45,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:45,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1875433, now seen corresponding path program 2 times [2021-11-19 05:31:45,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:45,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499700556] [2021-11-19 05:31:45,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:45,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 05:31:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:45,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-19 05:31:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:31:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:46,003 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-19 05:31:46,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:46,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499700556] [2021-11-19 05:31:46,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499700556] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:46,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125178223] [2021-11-19 05:31:46,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:31:46,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:46,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:46,006 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:46,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 05:31:46,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:31:46,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:31:46,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:31:46,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-19 05:31:46,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-19 05:31:46,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125178223] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:31:46,565 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:31:46,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2021-11-19 05:31:46,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269015192] [2021-11-19 05:31:46,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:31:46,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 05:31:46,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:46,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 05:31:46,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2021-11-19 05:31:46,574 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) [2021-11-19 05:31:46,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:46,654 INFO L93 Difference]: Finished difference Result 78 states and 96 transitions. [2021-11-19 05:31:46,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:31:46,657 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 [2021-11-19 05:31:46,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:46,658 INFO L225 Difference]: With dead ends: 78 [2021-11-19 05:31:46,658 INFO L226 Difference]: Without dead ends: 52 [2021-11-19 05:31:46,659 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 [2021-11-19 05:31:46,661 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 [2021-11-19 05:31:46,661 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] [2021-11-19 05:31:46,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-19 05:31:46,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2021-11-19 05:31:46,672 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) [2021-11-19 05:31:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2021-11-19 05:31:46,674 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 62 [2021-11-19 05:31:46,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:46,675 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2021-11-19 05:31:46,675 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) [2021-11-19 05:31:46,676 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2021-11-19 05:31:46,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-19 05:31:46,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:46,678 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] [2021-11-19 05:31:46,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:46,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-19 05:31:46,886 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:46,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:46,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1341943393, now seen corresponding path program 3 times [2021-11-19 05:31:46,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:46,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416263016] [2021-11-19 05:31:46,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:46,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-19 05:31:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-19 05:31:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:47,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-19 05:31:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:47,185 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-19 05:31:47,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:47,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416263016] [2021-11-19 05:31:47,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416263016] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:47,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575202092] [2021-11-19 05:31:47,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:31:47,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:47,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:47,190 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:47,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 05:31:47,276 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-19 05:31:47,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:31:47,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:31:47,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:47,524 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-19 05:31:47,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-19 05:31:47,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575202092] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:31:47,759 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:31:47,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2021-11-19 05:31:47,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8800263] [2021-11-19 05:31:47,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:31:47,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-19 05:31:47,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:47,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-19 05:31:47,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2021-11-19 05:31:47,763 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) [2021-11-19 05:31:47,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:47,894 INFO L93 Difference]: Finished difference Result 98 states and 121 transitions. [2021-11-19 05:31:47,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 05:31:47,895 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 [2021-11-19 05:31:47,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:47,902 INFO L225 Difference]: With dead ends: 98 [2021-11-19 05:31:47,902 INFO L226 Difference]: Without dead ends: 70 [2021-11-19 05:31:47,907 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 [2021-11-19 05:31:47,910 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 [2021-11-19 05:31:47,911 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] [2021-11-19 05:31:47,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-19 05:31:47,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2021-11-19 05:31:47,932 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) [2021-11-19 05:31:47,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2021-11-19 05:31:47,936 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 76 [2021-11-19 05:31:47,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:47,940 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2021-11-19 05:31:47,943 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) [2021-11-19 05:31:47,944 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2021-11-19 05:31:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-19 05:31:47,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:47,949 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] [2021-11-19 05:31:47,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:48,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:48,174 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:48,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:48,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1821282991, now seen corresponding path program 4 times [2021-11-19 05:31:48,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:48,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262443387] [2021-11-19 05:31:48,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:48,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 05:31:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-19 05:31:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:31:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:48,444 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2021-11-19 05:31:48,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:48,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262443387] [2021-11-19 05:31:48,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262443387] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:48,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052437376] [2021-11-19 05:31:48,445 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-19 05:31:48,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:48,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:48,447 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:48,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-19 05:31:48,576 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-19 05:31:48,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:31:48,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:31:48,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2021-11-19 05:31:48,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:49,410 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2021-11-19 05:31:49,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052437376] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:31:49,411 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:31:49,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 23 [2021-11-19 05:31:49,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121651167] [2021-11-19 05:31:49,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:31:49,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-19 05:31:49,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:49,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-19 05:31:49,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2021-11-19 05:31:49,415 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) [2021-11-19 05:31:49,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:49,497 INFO L93 Difference]: Finished difference Result 131 states and 159 transitions. [2021-11-19 05:31:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:31:49,497 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 [2021-11-19 05:31:49,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:49,499 INFO L225 Difference]: With dead ends: 131 [2021-11-19 05:31:49,499 INFO L226 Difference]: Without dead ends: 87 [2021-11-19 05:31:49,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2021-11-19 05:31:49,501 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 [2021-11-19 05:31:49,502 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] [2021-11-19 05:31:49,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-19 05:31:49,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-11-19 05:31:49,512 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) [2021-11-19 05:31:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2021-11-19 05:31:49,515 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 126 [2021-11-19 05:31:49,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:49,515 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2021-11-19 05:31:49,516 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) [2021-11-19 05:31:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2021-11-19 05:31:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-19 05:31:49,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:49,519 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] [2021-11-19 05:31:49,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:49,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:49,742 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:49,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:49,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1526385697, now seen corresponding path program 5 times [2021-11-19 05:31:49,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:49,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502744814] [2021-11-19 05:31:49,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:49,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:31:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:49,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-19 05:31:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-19 05:31:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2021-11-19 05:31:49,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:49,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502744814] [2021-11-19 05:31:49,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502744814] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:49,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308592802] [2021-11-19 05:31:49,993 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-19 05:31:49,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:49,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:49,998 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:50,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-19 05:31:50,703 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2021-11-19 05:31:50,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:31:50,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:31:50,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 316 proven. 66 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2021-11-19 05:31:51,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2021-11-19 05:31:51,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308592802] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:31:51,392 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:31:51,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2021-11-19 05:31:51,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141711113] [2021-11-19 05:31:51,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:31:51,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-19 05:31:51,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:51,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-19 05:31:51,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-11-19 05:31:51,396 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) [2021-11-19 05:31:51,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:51,488 INFO L93 Difference]: Finished difference Result 162 states and 199 transitions. [2021-11-19 05:31:51,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 05:31:51,489 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 [2021-11-19 05:31:51,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:51,491 INFO L225 Difference]: With dead ends: 162 [2021-11-19 05:31:51,491 INFO L226 Difference]: Without dead ends: 119 [2021-11-19 05:31:51,492 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 [2021-11-19 05:31:51,493 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 [2021-11-19 05:31:51,494 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] [2021-11-19 05:31:51,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-11-19 05:31:51,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-11-19 05:31:51,506 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) [2021-11-19 05:31:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2021-11-19 05:31:51,508 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 144 [2021-11-19 05:31:51,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:51,509 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2021-11-19 05:31:51,509 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) [2021-11-19 05:31:51,509 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2021-11-19 05:31:51,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-19 05:31:51,513 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:51,513 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] [2021-11-19 05:31:51,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:51,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-19 05:31:51,714 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:51,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:51,715 INFO L85 PathProgramCache]: Analyzing trace with hash -577234183, now seen corresponding path program 6 times [2021-11-19 05:31:51,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:51,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494496701] [2021-11-19 05:31:51,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:51,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:31:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-19 05:31:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:52,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-19 05:31:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:52,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3989 backedges. 0 proven. 2010 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2021-11-19 05:31:52,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:52,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494496701] [2021-11-19 05:31:52,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494496701] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:52,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478546433] [2021-11-19 05:31:52,178 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-19 05:31:52,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:52,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:52,182 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:52,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-19 05:31:52,320 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-11-19 05:31:52,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:31:52,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:31:52,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3989 backedges. 1634 proven. 4 refuted. 0 times theorem prover too weak. 2351 trivial. 0 not checked. [2021-11-19 05:31:52,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3989 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3985 trivial. 0 not checked. [2021-11-19 05:31:53,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478546433] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:31:53,318 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:31:53,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 23 [2021-11-19 05:31:53,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736691646] [2021-11-19 05:31:53,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:31:53,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-19 05:31:53,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:53,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-19 05:31:53,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=343, Unknown=0, NotChecked=0, Total=506 [2021-11-19 05:31:53,323 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) [2021-11-19 05:31:53,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:53,447 INFO L93 Difference]: Finished difference Result 209 states and 253 transitions. [2021-11-19 05:31:53,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:31:53,448 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 [2021-11-19 05:31:53,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:53,454 INFO L225 Difference]: With dead ends: 209 [2021-11-19 05:31:53,455 INFO L226 Difference]: Without dead ends: 134 [2021-11-19 05:31:53,456 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 [2021-11-19 05:31:53,457 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 [2021-11-19 05:31:53,458 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] [2021-11-19 05:31:53,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-19 05:31:53,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 131. [2021-11-19 05:31:53,487 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) [2021-11-19 05:31:53,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 150 transitions. [2021-11-19 05:31:53,490 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 150 transitions. Word has length 240 [2021-11-19 05:31:53,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:53,492 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 150 transitions. [2021-11-19 05:31:53,492 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) [2021-11-19 05:31:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2021-11-19 05:31:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-19 05:31:53,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:53,498 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] [2021-11-19 05:31:53,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:53,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-19 05:31:53,721 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:53,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:53,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1044531828, now seen corresponding path program 7 times [2021-11-19 05:31:53,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:53,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314550328] [2021-11-19 05:31:53,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:53,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:31:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-19 05:31:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:54,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-19 05:31:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:54,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4546 backedges. 0 proven. 2303 refuted. 0 times theorem prover too weak. 2243 trivial. 0 not checked. [2021-11-19 05:31:54,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:54,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314550328] [2021-11-19 05:31:54,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314550328] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:54,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758962025] [2021-11-19 05:31:54,156 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-19 05:31:54,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:54,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:54,158 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:54,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-19 05:31:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:54,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-19 05:31:54,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4546 backedges. 1864 proven. 435 refuted. 0 times theorem prover too weak. 2247 trivial. 0 not checked. [2021-11-19 05:31:54,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4546 backedges. 0 proven. 2303 refuted. 0 times theorem prover too weak. 2243 trivial. 0 not checked. [2021-11-19 05:31:55,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758962025] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:31:55,642 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:31:55,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 22 [2021-11-19 05:31:55,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001000042] [2021-11-19 05:31:55,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:31:55,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 05:31:55,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:55,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 05:31:55,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:31:55,647 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) [2021-11-19 05:31:55,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:55,769 INFO L93 Difference]: Finished difference Result 238 states and 287 transitions. [2021-11-19 05:31:55,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:31:55,774 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 [2021-11-19 05:31:55,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:55,778 INFO L225 Difference]: With dead ends: 238 [2021-11-19 05:31:55,779 INFO L226 Difference]: Without dead ends: 151 [2021-11-19 05:31:55,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 521 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:31:55,781 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 [2021-11-19 05:31:55,781 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] [2021-11-19 05:31:55,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-11-19 05:31:55,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2021-11-19 05:31:55,799 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) [2021-11-19 05:31:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2021-11-19 05:31:55,801 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 260 [2021-11-19 05:31:55,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:55,802 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2021-11-19 05:31:55,802 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) [2021-11-19 05:31:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2021-11-19 05:31:55,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-19 05:31:55,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:55,809 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] [2021-11-19 05:31:55,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:56,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-19 05:31:56,037 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:56,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:56,038 INFO L85 PathProgramCache]: Analyzing trace with hash 259706899, now seen corresponding path program 8 times [2021-11-19 05:31:56,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:56,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708147293] [2021-11-19 05:31:56,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:56,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:56,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:31:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-19 05:31:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-19 05:31:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 7711 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 7675 trivial. 0 not checked. [2021-11-19 05:31:56,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:56,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708147293] [2021-11-19 05:31:56,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708147293] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:56,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381374523] [2021-11-19 05:31:56,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:31:56,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:56,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:56,337 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:56,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-19 05:31:56,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:31:56,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:31:56,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:31:56,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:57,199 INFO L134 CoverageAnalysis]: Checked inductivity of 7711 backedges. 3290 proven. 36 refuted. 0 times theorem prover too weak. 4385 trivial. 0 not checked. [2021-11-19 05:31:57,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:57,773 INFO L134 CoverageAnalysis]: Checked inductivity of 7711 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 7675 trivial. 0 not checked. [2021-11-19 05:31:57,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381374523] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:31:57,774 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:31:57,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2021-11-19 05:31:57,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622801348] [2021-11-19 05:31:57,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:31:57,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 05:31:57,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:31:57,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 05:31:57,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2021-11-19 05:31:57,778 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) [2021-11-19 05:31:57,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:57,840 INFO L93 Difference]: Finished difference Result 258 states and 310 transitions. [2021-11-19 05:31:57,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 05:31:57,841 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 [2021-11-19 05:31:57,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:57,843 INFO L225 Difference]: With dead ends: 258 [2021-11-19 05:31:57,843 INFO L226 Difference]: Without dead ends: 167 [2021-11-19 05:31:57,844 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 [2021-11-19 05:31:57,845 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, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:31:57,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 75 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:31:57,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-11-19 05:31:57,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2021-11-19 05:31:57,853 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) [2021-11-19 05:31:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 191 transitions. [2021-11-19 05:31:57,855 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 191 transitions. Word has length 320 [2021-11-19 05:31:57,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:57,856 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 191 transitions. [2021-11-19 05:31:57,857 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) [2021-11-19 05:31:57,857 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 191 transitions. [2021-11-19 05:31:57,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-19 05:31:57,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:57,872 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] [2021-11-19 05:31:57,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:58,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:58,095 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:58,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:58,096 INFO L85 PathProgramCache]: Analyzing trace with hash -849918461, now seen corresponding path program 9 times [2021-11-19 05:31:58,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:31:58,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049173254] [2021-11-19 05:31:58,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:58,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:31:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:58,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:31:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:58,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-19 05:31:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-19 05:31:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:58,561 INFO L134 CoverageAnalysis]: Checked inductivity of 7871 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 7675 trivial. 0 not checked. [2021-11-19 05:31:58,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:31:58,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049173254] [2021-11-19 05:31:58,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049173254] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:58,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781046985] [2021-11-19 05:31:58,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:31:58,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:31:58,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:31:58,570 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:31:58,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-19 05:32:02,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-11-19 05:32:02,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:32:02,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-19 05:32:02,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:32:02,900 INFO L134 CoverageAnalysis]: Checked inductivity of 7871 backedges. 3290 proven. 196 refuted. 0 times theorem prover too weak. 4385 trivial. 0 not checked. [2021-11-19 05:32:02,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:32:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 7871 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 7675 trivial. 0 not checked. [2021-11-19 05:32:03,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781046985] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:32:03,596 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:32:03,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 22 [2021-11-19 05:32:03,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312704282] [2021-11-19 05:32:03,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:32:03,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 05:32:03,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:32:03,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 05:32:03,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:32:03,599 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) [2021-11-19 05:32:03,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:32:03,660 INFO L93 Difference]: Finished difference Result 268 states and 317 transitions. [2021-11-19 05:32:03,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:32:03,661 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 [2021-11-19 05:32:03,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:32:03,663 INFO L225 Difference]: With dead ends: 268 [2021-11-19 05:32:03,663 INFO L226 Difference]: Without dead ends: 177 [2021-11-19 05:32:03,664 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 [2021-11-19 05:32:03,666 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 19 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:32:03,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 75 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:32:03,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-19 05:32:03,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-11-19 05:32:03,673 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) [2021-11-19 05:32:03,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 201 transitions. [2021-11-19 05:32:03,675 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 201 transitions. Word has length 336 [2021-11-19 05:32:03,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:32:03,676 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 201 transitions. [2021-11-19 05:32:03,677 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) [2021-11-19 05:32:03,677 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 201 transitions. [2021-11-19 05:32:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-19 05:32:03,683 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:32:03,684 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] [2021-11-19 05:32:03,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-19 05:32:03,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-19 05:32:03,898 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:32:03,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:32:03,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1596627961, now seen corresponding path program 10 times [2021-11-19 05:32:03,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:32:03,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684523257] [2021-11-19 05:32:03,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:32:03,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:32:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:32:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:32:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:32:07,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-19 05:32:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:32:07,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-19 05:32:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:32:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 8036 backedges. 360 proven. 4136 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2021-11-19 05:32:07,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:32:07,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684523257] [2021-11-19 05:32:07,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684523257] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:32:07,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597392395] [2021-11-19 05:32:07,559 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-19 05:32:07,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:32:07,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:32:07,562 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:32:07,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670c5614-f96d-47ce-94f2-ab7e929ed093/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-19 05:32:07,931 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-19 05:32:07,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:32:07,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-19 05:32:07,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:32:08,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:08,337 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 [2021-11-19 05:32:09,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:09,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:09,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:32:09,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 05:32:09,098 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-19 05:32:09,100 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 [2021-11-19 05:32:09,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:09,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:09,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:09,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:09,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:09,300 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-11-19 05:32:09,301 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 [2021-11-19 05:32:09,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:09,696 INFO L354 Elim1Store]: treesize reduction 292, result has 17.5 percent of original size [2021-11-19 05:32:09,696 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 [2021-11-19 05:32:10,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:10,604 INFO L354 Elim1Store]: treesize reduction 541, result has 13.6 percent of original size [2021-11-19 05:32:10,605 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 [2021-11-19 05:32:14,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:14,968 INFO L354 Elim1Store]: treesize reduction 696, result has 12.2 percent of original size [2021-11-19 05:32:14,969 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 [2021-11-19 05:32:18,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:19,014 INFO L354 Elim1Store]: treesize reduction 1048, result has 10.3 percent of original size [2021-11-19 05:32:19,015 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 [2021-11-19 05:32:21,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:22,088 INFO L354 Elim1Store]: treesize reduction 588, result has 14.3 percent of original size [2021-11-19 05:32:22,089 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 [2021-11-19 05:32:25,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:25,805 INFO L354 Elim1Store]: treesize reduction 662, result has 13.9 percent of original size [2021-11-19 05:32:25,806 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 [2021-11-19 05:32:29,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:29,692 INFO L354 Elim1Store]: treesize reduction 736, result has 13.6 percent of original size [2021-11-19 05:32:29,693 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 [2021-11-19 05:32:35,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:35,642 INFO L354 Elim1Store]: treesize reduction 1159, result has 10.7 percent of original size [2021-11-19 05:32:35,643 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 [2021-11-19 05:32:48,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:48,619 INFO L354 Elim1Store]: treesize reduction 1404, result has 9.7 percent of original size [2021-11-19 05:32:48,619 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 [2021-11-19 05:32:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:32:57,582 INFO L354 Elim1Store]: treesize reduction 958, result has 13.0 percent of original size [2021-11-19 05:32:57,583 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 [2021-11-19 05:33:02,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:02,927 INFO L354 Elim1Store]: treesize reduction 1032, result has 12.8 percent of original size [2021-11-19 05:33:02,928 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 [2021-11-19 05:33:12,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:12,808 INFO L354 Elim1Store]: treesize reduction 1106, result has 12.7 percent of original size [2021-11-19 05:33:12,809 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 [2021-11-19 05:33:21,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:21,710 INFO L354 Elim1Store]: treesize reduction 1180, result has 12.6 percent of original size [2021-11-19 05:33:21,710 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 [2021-11-19 05:33:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:28,736 INFO L354 Elim1Store]: treesize reduction 1254, result has 12.5 percent of original size [2021-11-19 05:33:28,737 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 [2021-11-19 05:33:41,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:41,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:42,653 INFO L354 Elim1Store]: treesize reduction 1328, result has 12.4 percent of original size [2021-11-19 05:33:42,654 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 [2021-11-19 05:33:45,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:45,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:46,481 INFO L354 Elim1Store]: treesize reduction 1402, result has 12.3 percent of original size [2021-11-19 05:33:46,481 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 [2021-11-19 05:33:56,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:56,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:57,055 INFO L354 Elim1Store]: treesize reduction 1476, result has 12.2 percent of original size [2021-11-19 05:33:57,056 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 [2021-11-19 05:35:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:35:20,595 INFO L354 Elim1Store]: treesize reduction 1234, result has 6.4 percent of original size [2021-11-19 05:35:20,596 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 [2021-11-19 05:35:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8036 backedges. 4706 proven. 1476 refuted. 7 times theorem prover too weak. 1847 trivial. 0 not checked. [2021-11-19 05:35:59,651 INFO L328 TraceCheckSpWp]: Computing backward predicates...